WhiteBoard Medicine - Emergency And Critical Care

#276 ICU Toxicology Masterclass: Beta Blockers, CCBs, Salicylates & Acetaminophen Jun 10, 2026 8678 Toxicologic emergencies are common in emergency medicine and critical care, yet the underlying physiology and management strategies can become complex quickly. Early recognition and aggressive supportive care are often critical to improving outcomes. In this ICU toxicology masterclass, we review four high-yield toxicologic emergencies every clinician should recognize: • Beta blocker toxicity • Cal

#275 Toxicology Deep Dive: Serotonin Syndrome and Neuroleptic Malignant Syndrome (NMS) Explained Jun 8, 2026 4463 Serotonin syndrome and neuroleptic malignant syndrome (NMS) are two life-threatening toxicologic emergencies that every emergency medicine physician, intensivist, hospitalist, nurse, pharmacist, and trainee should recognize early. In this toxicology deep dive, we review: • Neuroleptic malignant syndrome (NMS) • Serotonin syndrome • Key clinical differences • Pathophysiology • Causative medications

#274 ICU Feeding Explained: Enteral, Parenteral, Trophic & Full Feeds Jun 6, 2026 2011 Nutrition support is a core component of modern critical care medicine, yet ICU feeding strategies can become confusing quickly. When should we use enteral nutrition vs parenteral nutrition? What are trophic feeds? Should we check gastric residual volumes? How do we approach aspiration risk? In this episode, we break down the fundamentals of ICU nutrition and feeding strategies including: • Entera

#273 Serotonin Syndrome vs Neuroleptic Malignant Syndrome Explained - Quick Comparison Jun 4, 2026 803 Serotonin syndrome and neuroleptic malignant syndrome (NMS) are two life-threatening toxicologic emergencies that can appear very similar at the bedside — but recognizing the key differences is critical for emergency department and ICU management. In this episode, we focus on the high-yield differences between serotonin syndrome and neuroleptic malignant syndrome including: • Clonus vs rigidity •

#272 Serotonin Syndrome - Diagnosis, Pathophysiology & Treatment Jun 2, 2026 2038 Serotonin syndrome is a potentially life-threatening toxicologic emergency caused by excess serotonergic activity. Early recognition is critical in the emergency department, ICU, inpatient wards, and prehospital settings. In this episode, we review the fundamentals of serotonin syndrome including: • Pathophysiology • Serotonergic medications • Hyperthermia • Clonus and hyperreflexia • Neuromuscula

#271 Neuroleptic Malignant Syndrome - Pathophysiology, Diagnosis & Treatment May 30, 2026 1752 Neuroleptic malignant syndrome (NMS) is a rare but life-threatening toxicologic emergency associated with dopamine blockade and antipsychotic medications. Early recognition is critical in the emergency department, ICU, inpatient wards, and perioperative settings. In this episode, we review the fundamentals of neuroleptic malignant syndrome including: • Pathophysiology • Dopamine blockade • Common

#270 Salicylate Toxicity Explained Clearly | Acid Base Disorders, Intubation Pitfalls & ICU Management May 28, 2026 2601 Salicylate toxicity is one of the most important acid-base and toxicologic emergencies encountered in emergency medicine, critical care, and hospital medicine. In this episode, we break down salicylate poisoning from the ground up including salicylate pharmacology, acid-base physiology, respiratory alkalosis, metabolic acidosis, sodium bicarbonate therapy, hemodialysis indications, airway manageme

#269 Opioid Toxicity Explained | Recognition, Naloxone & Critical Care Management May 26, 2026 2297 Opioid toxicity remains one of the most important toxicologic emergencies encountered in emergency medicine, critical care, EMS, and hospital medicine. In this episode, we break down opioid overdose from the ground up including opioid pharmacology, respiratory depression physiology, recognition of the opioid toxidrome, naloxone administration, airway management, ventilator considerations, post-rev

#268 Frank Starling Curve and Cardiac Output - Cardiac Physiology Masterclass May 24, 2026 2951 The Frank-Starling curve is one of the most important concepts in cardiac physiology—and one of the most clinically useful in critical care. In this episode, we break down the Frank-Starling relationship and connect it directly to cardiac output, so you can understand how preload affects stroke volume and how this translates to real bedside decision-making. We cover: What the Frank-Starling curv

#267 AutoPEEP and I:E Ratio Explained - Mastering Mechanical Ventilation May 22, 2026 4153 AutoPEEP is one of the most important—and most commonly missed—problems in mechanically ventilated patients. In this episode, we break down AutoPEEP and the I:E ratio in a clear, practical way so you can understand how they impact ventilation, gas exchange, and patient outcomes in the ICU and emergency department. We cover: What AutoPEEP is and why it occurs How the I:E ratio contributes to br

#266 Volume Control vs Pressure Control - Settings, Scalars, and Clinical Application Explained May 20, 2026 2553 Volume control or pressure control—how do you actually choose the right ventilator mode in real clinical practice? In this episode, we break down volume control and pressure control ventilation step-by-step, focusing on settings, scalars, and how to apply both modes at the bedside in the ICU and emergency department. We cover: What you set vs what is guaranteed in volume vs pressure control Ke

#265 West Zones of the Lung Explained - Perfusion, Ventilation & Clinical Significance May 18, 2026 1689 West zones of the lung are fundamental to understanding how ventilation and perfusion interact in both normal physiology and critical illness. In this episode, we break down the West zones (Zone 1, Zone 2, and Zone 3) in a simple, clinically relevant way so you can understand how blood flow is distributed throughout the lung—and why it matters at the bedside. We cover: The physiology behind the

#264 ABG, VBG, and Comparison Explained: Complete Breakdown + Clinical Comparison May 16, 2026 3481 Arterial blood gas (ABG) or venous blood gas (VBG)—what’s the difference, and when should you actually use each? In this episode, we walk through a complete breakdown of ABG and VBG, followed by a direct clinical comparison so you can confidently decide which test to use at the bedside. We cover: What an ABG measures and how to interpret it What a VBG tells you and how it differs Key differe

#263 Cardiac Output Explained: From Physiology to Cardiogenic Shock Diagnosis & Management May 14, 2026 4308 Cardiac output is one of the most important—and most misunderstood—concepts in critical care. In this episode, we break down cardiac output from first principles and connect it directly to cardiogenic shock, so you can understand not just the numbers—but how to apply them at the bedside. We cover: The cardiac output equation (CO = HR × SV) and what it actually means How preload, contractility,

#262 Mechanical Ventilation Basics - I:E Ratio Made Simple for ICU & Emergency Care May 12, 2026 1857 The I:E ratio is one of the most important—and most misunderstood—settings in mechanical ventilation. In this episode, we break down the inspiratory-to-expiratory (I:E) ratio in a simple, practical way so you can understand how it impacts ventilation, gas exchange, and patient outcomes in the ICU and emergency department. We cover: What the I:E ratio actually represents How it affects airflow,

#261 ABG vs VBG Explained: Key Differences, Accuracy, and When to Use Each (Critical Care Guide) May 10, 2026 1554 Arterial blood gas (ABG) or venous blood gas (VBG)—which should you actually use in clinical practice? In this episode, we break down the key differences between ABG and VBG in a clear, practical way so you can understand when each test is appropriate in emergency and critical care settings. While ABGs are often considered the gold standard, VBGs can provide clinically useful information in many s

#260 First Month in the ICU | Mechanical Ventilation Made Simple (Full Crash Course) May 8, 2026 6378 In this episode, we break down mechanical ventilation from start to finish—designed specifically for your first week in the ICU. Mechanical ventilation can feel overwhelming early on, with multiple settings, modes, alarms, and physiologic concepts all happening at once. In this episode, we walk through a structured, bedside-relevant framework to help you understand what actually matters when manag

#259 Respiratory Failure Types 1–4 Explained | Hypoxemic vs Hypercapnic Made Simple May 6, 2026 1874 Respiratory failure is one of the most common and high-stakes problems in emergency and critical care medicine — but understanding the different types can be confusing. In this episode, we break down Type 1–4 respiratory failure into a simple, structured framework you can actually use at the bedside. We focus on the key distinction between hypoxemic vs hypercapnic respiratory failure, how to inter

#258 Mechanical Ventilator Settings Explained | PEEP, FiO₂, RR & Tidal Volume Made Simple May 4, 2026 1653 Mechanical ventilation is a core skill in critical care and emergency medicine—but the ventilator can feel overwhelming when you’re first learning it. In this episode, we break down the essential ventilator settings—PEEP, FiO₂, respiratory rate (RR), and tidal volume (TV)—in a way that’s simple, practical, and directly applicable at the bedside. We focus on building a clear mental model of how the

#257 Stressed Vs Unstressed Volume Explained | Venous Return, MSFP & Shock May 2, 2026 891 Understanding stressed vs unstressed volume is one of the most important—and most misunderstood—concepts in hemodynamics and shock. In this episode, we break down how venous capacitance, mean systemic filling pressure (MSFP), and venous returnactually work, and why they matter for managing critically ill patients in the ICU and emergency department. We focus on translating physiology into practica

#256 Non Invasive Fluid Assessment Explained | IVC, VExUS & Passive Leg Raise ICU Guide Apr 30, 2026 1599 In this episode, we break down non-invasive fluid assessment at the bedside, focusing on IVC ultrasound, VExUS (Venous Excess Ultrasound Score), and the passive leg raise (PLR). We walk through how to evaluate fluid responsiveness vs fluid tolerance, when each tool works (and when it fails), and how to integrate these approaches into a practical, physiology-based framework for critically ill patie

#255 Ventilator Induced Lung Injury Explained | VILI, Driving Pressure & Mechanical Power ICU Guide Apr 28, 2026 3226 In this episode, we break down ventilator-induced lung injury (VILI) and how mechanical ventilation can contribute to lung damage in critically ill patients. We walk through the core mechanisms of VILI—including volutrauma, barotrauma, atelectrauma, and biotrauma—and then build a deeper understanding using the concepts of driving pressure and mechanical power. These frameworks help connect individ

#254 Sickle Cell Crisis Explained | VOC, Acute Chest Syndrome & Emergencies Made Simple Apr 26, 2026 2029 In this episode, we break down sickle cell crisis and life-threatening complications, including vaso-occlusive crisis (VOC), acute chest syndrome (ACS), splenic sequestration, aplastic crisis, and infection. We walk through the underlying pathophysiology of sickle cell disease, why these emergencies occur, and how to recognize and manage them in the emergency department and ICU. This is a high-yie

#253 IVC & VExUS Ultrasound Explained | How to Assess Fluid Status at the Bedside ICU Guide Apr 24, 2026 2428 In this episode, we break down how to assess fluid status at the bedside using IVC ultrasound and VExUS (Venous Excess Ultrasound Score). We walk through how to interpret IVC diameter and collapsibility, when it works (and when it doesn’t), and how VExUS expands your assessment by integrating hepatic vein, portal vein, and renal venous Doppler to evaluate venous congestion and fluid tolerance. Thi

#252 Mechanical Power in Ventilation Explained | Preventing Ventilator Induced Lung Injury Apr 22, 2026 1260 In this episode, we break down mechanical power in mechanical ventilation and its role in ventilator-induced lung injury (VILI). We walk through how ventilator settings—including tidal volume, respiratory rate, PEEP, and driving pressure—combine to deliver energy to the lungs, and why thinking in terms of total energy delivery may be key to preventing lung injury in critically ill patients. Rather

#251 TEG & ROTEM Explained | Choosing FFP, PCC, Cryo & Platelets ICU Guide Apr 20, 2026 5227 TEG and ROTEM (viscoelastic testing) can fundamentally change how we approach coagulation — but only if we understand how to interpret them and act on the results. In this episode, we break down viscoelastic testing from the ground up, then walk step-by-step through how to choose the right blood product based on real physiology — not guesswork. We cover: What TEG & ROTEM actually measure How

#250 Vasopressin Explained | From Basics to RV Failure ICU Deep Dive Apr 18, 2026 2692 Vasopressin is often thought of as just a “second-line pressor” — but its physiology and clinical applications are far more nuanced. In this episode, we break down vasopressin from the ground up, starting with receptor-level physiology and how it differs from catecholamines, then build into a focused deep dive on one of its most important uses: right ventricular (RV) failure and pulmonary hyperten

#249 VExUS Ultrasound | How to Assess Venous Congestion at the Bedside Apr 16, 2026 1599 In this episode, we break down VExUS ultrasound (Venous Excess Ultrasound Score) and how to assess venous congestion at the bedside in critically ill patients. We walk through the physiology of venous congestion and how to integrate IVC ultrasound, hepatic vein Doppler, portal vein Doppler, and renal venous Doppler into a practical framework for evaluating fluid tolerance vs fluid overload. This i

#248 Viscoelastic Testing Explained | TEG and ROTEM Made Simple (ICU Guide) Apr 14, 2026 1855 Viscoelastic testing with TEG (thromboelastography) and ROTEM (rotational thromboelastometry) is changing how we approach coagulopathy, bleeding, and massive transfusion in the ICU and trauma setting. In this episode, we break down TEG and ROTEM in a simple, practical way so you can confidently interpret results and apply them at the bedside. We cover: The fundamentals of viscoelastic testing phy

#247 ICU Stress Ulcer Prophylaxis Explained | Indications, Medications, Pros, Cons, & Evidence Apr 12, 2026 1851 Stress ulcer prophylaxis is one of the most common interventions in the ICU — but also one of the most overused and misunderstood. In this episode, we break down when stress ulcer prophylaxis is actually indicated, what medications to use, and what the evidence really shows so you can make better bedside decisions. We cover: The pathophysiology of stress-related mucosal disease (SRMD) and GI blee

#246 Vasopressin in Right Ventricular Failure | When & Why It Works (ICU Guide) Apr 10, 2026 1324 Vasopressin plays a unique and often underutilized role in the management of right ventricular (RV) failure, particularly in patients with pulmonary hypertension, massive pulmonary embolism, and RV shock. In this episode, we break down why vasopressin works differently from other vasopressors, how it affects pulmonary vs systemic vascular resistance, and when it may be the preferred agent in right

#245 ICU Pharmacology Explained | Sedation, Vasopressors & Fluids Made Simple Apr 8, 2026 3198 ICU pharmacology can feel overwhelming—sedation, vasopressors, fluids, and dozens of medications interacting in critically ill patients. In this episode, we break down ICU pharmacology into three foundational domains that form the backbone of bedside critical care: Sedation and analgesia (propofol, fentanyl, dexmedetomidine) Vasopressors and inotropes (norepinephrine, vasopressin, epinephrine, do

#244 Arterial Line Waveform Explained: Placement, Normal Waveform & Pulse Pressure Variation Apr 6, 2026 2228 In this episode of Whiteboard Medicine, we break down the fundamentals of arterial line monitoring and how to interpret the arterial pressure waveform at the bedside. Arterial lines are one of the most powerful tools for managing critically ill patients in the ICU, emergency department, and operating room, but accurate interpretation requires understanding the underlying hemodynamic physiology. In

#243 Everything You Need to Know About CRRT | CVVH, CVVHD, CVVHDF A Complete ICU Guide Apr 4, 2026 7687 Continuous Renal Replacement Therapy (CRRT) is one of the most important dialysis therapies used in the ICU for critically ill patients with acute kidney injury (AKI), septic shock, metabolic acidosis, and fluid overload. In this complete ICU guide, we cover everything you need to know about CRRT, including: • CRRT basics and core physiology • Indications for CRRT in the ICU • CRRT prescription fu

#242 CRRT Masterclass: Complete Guide to CVVH, CVVHD & CVVHDF + Full Comparison Apr 2, 2026 6032 Continuous Renal Replacement Therapy (CRRT) is one of the most important dialysis therapies in critical care and the ICU — yet many clinicians struggle to understand the differences between CVVH, CVVHD, and CVVHDF. In this CRRT Masterclass, we provide a complete guide to: • CVVH (convection-based CRRT) • CVVHD (diffusion-based CRRT) • CVVHDF (combined diffusion + convection) • CRRT physiology and

#241 CVVH vs CVVHD vs CVVHDF Explained | CRRT Modalities Comparison for the ICU Mar 30, 2026 774 Continuous Renal Replacement Therapy (CRRT) can feel confusing — especially when trying to differentiate between CVVH, CVVHD, and CVVHDF. In this episode, we provide a clear, side-by-side comparison of all three modalities so you can understand how each works, when they are used, and how solute and fluid removal differ. We break down convection vs diffusion, replacement fluid vs dialysate, ultrafi

#240 Continuous Venovenous Hemodialysis CVVHD Explained | ICU CRRT Deep Dive Mar 28, 2026 1770 Continuous Venovenous Hemodialysis (CVVHD) is a core modality of continuous renal replacement therapy (CRRT) — but many clinicians struggle to fully understand how diffusion-based clearance works in the ICU. In this episode, we break down CVVHD step-by-step, including dialysate flow, solute diffusion, ultrafiltration control, effluent rates, clearance principles, and how CVVHD differs from CVVH an

#239 Continuous Venovenous Hemodiafiltration CVVHDF Explained | ICU CRRT Deep Dive Mar 26, 2026 1617 Continuous Venovenous Hemodiafiltration (CVVHDF) is one of the most complex — and most misunderstood — modalities of continuous renal replacement therapy (CRRT). In this episode, we break down CVVHDF from the ground up, including diffusion vs convection, dialysate and replacement fluid, solute clearance, ultrafiltration control, and how this modality differs from CVVH and CVVHD. We walk through IC

#238 Continuous Venovenous Hemofiltration CVVH Explained | ICU CRRT Deep Dive Mar 24, 2026 2045 Continuous Venovenous Hemofiltration (CVVH) Explained | ICU CRRT Deep Dive Continuous venovenous hemofiltration (CVVH) is a core modality of continuous renal replacement therapy (CRRT) used in critically ill ICU patients, particularly those with hemodynamic instability who cannot tolerate intermittent dialysis. In this episode, we take a deep dive into the physiology, mechanisms, and clinical appl

#237 Waveform Interpretation Explained: Arterial Line, Capnography ETCO₂ & CVP Waveforms Mar 22, 2026 1996 In this episode, we break down waveform interpretation in critical care, focusing on arterial line waveforms, end tidal capnography (ETCO₂) waveforms, and central venous pressure (CVP) waveforms used in ICU patient monitoring. Learn how to interpret hemodynamic and respiratory monitoring waveforms, understand the physiology behind waveform components, and apply waveform analysis to mechanical vent

#236 Spontaneous Breathing Trials & Extubation Criteria Explained | RSBI, Pressure Support, CPAP, T Piece Mar 20, 2026 3058 In this episode, we break down spontaneous breathing trials (SBT) and extubation criteria used in the ICU to evaluate ventilator weaning and readiness for extubation. Learn how spontaneous breathing trials are performed, how to calculate and interpret the rapid shallow breathing index (RSBI), and how pressure support, CPAP, and T-piece trials compare in assessing patient breathing during mechanica

#235 Pressure Support vs CPAP vs T Piece | Spontaneous Breathing Trials (SBT) ICU Guide Mar 18, 2026 1630 In this episode, we take a deep dive into spontaneous breathing trial methods used in the ICU, focusing specifically on pressure support trials, CPAP trials, and T-piece trials. Learn how each approach works, how they differ physiologically, and how they are used to evaluate patient breathing during mechanical ventilation. We break down the mechanics of each spontaneous breathing trial, including

#234 Arterial Line Monitoring Explained: Setup, Waveforms, Damping & Troubleshooting Mar 16, 2026 2272 In this episode, we break down arterial line monitoring and arterial pressure waveform interpretation in a clear, step-by-step review designed for healthcare learners and critical care clinicians. You’ll learn how arterial lines work, how pressure transducers detect blood pressure, and how to interpret arterial waveforms including the systolic upstroke, dicrotic notch, and mean arterial pressure.

#233 Calcium Repletion During Blood Transfusion: Citrate Toxicity, Dosing & Clinical Management Explained Mar 14, 2026 891 In this episode, we explain calcium repletion during blood transfusion, focusing on citrate toxicity, dosing strategies, and practical clinical management. Designed for nursing students, ICU clinicians, and emergency and critical care professionals, this episode provides a clear, step-by-step guide to understanding how massive or rapid transfusion can affect calcium levels and why timely correctio

#232 ICU Sedation & Analgesia Masterclass | RASS, CPOT, CAM-ICU + Propofol, Precedex, Fentanyl, Ketamine Mar 12, 2026 9182 In this episode, we deliver an ICU Sedation & Analgesia Masterclass, combining essential assessment tools and core medications used in mechanically ventilated patients. We cover the RASS (Richmond Agitation Sedation Scale), CPOT (Critical Care Pain Observation Tool), and CAM-ICU (Confusion Assessment Method for the ICU) alongside key ICU medications: propofol, dexmedetomidine (Precedex), fenta

#231 Comprehensive ICU Sedation Analgesia Guide - Propofol, Precedex, Fentanyl, Ketamine Mar 10, 2026 5645 In this episode, we present a comprehensive ICU sedation and analgesia guide, covering four essential medications used in mechanically ventilated patients: propofol, dexmedetomidine (Precedex), fentanyl, and ketamine. Designed for nursing students, ICU clinicians, and emergency and critical care professionals, this episode provides a structured, practical overview of how to manage sedation and pai

#230 Comparing Sedation and Analgesia in the Ventilated Patient - Propofol, Precedex, Fentanyl, Ketamine Mar 8, 2026 1259 In this episode, we compare sedation and analgesia options in the ventilated patient, focusing on four key ICU medications: propofol, dexmedetomidine (Precedex), fentanyl, and ketamine. Designed for nursing students, ICU clinicians, and emergency and critical care professionals, this episode provides a practical framework for choosing and managing sedatives and analgesics in mechanically ventilate

#229 Ketamine for Analgesia and Sedation in Mechanically Ventilated Patients | ICU Guide Mar 6, 2026 1177 In this episode, we explain Ketamine for analgesia and sedation in mechanically ventilated patients, offering a practical ICU guide to dosing, clinical effects, and safety considerations. Designed for nursing students, ICU clinicians, and emergency and critical care professionals, this episode walks through how ketamine is used to provide both pain control and sedation in critically ill patients.

#228 Fentanyl for Analgesia in Mechanically Ventilated Patients | ICU Guide Mar 4, 2026 1238 In this episode, we cover Fentanyl for analgesia in mechanically ventilated patients, providing a practical ICU-focused guide to dosing, monitoring, and safe pain management. Designed for nursing students, ICU clinicians, and emergency and critical care professionals, this episode explains how fentanyl is used to control pain and improve comfort in critically ill patients. We review fentanyl’s mec

#227 Dexmedetomidine in the Ventilated Patient - Dosing, Benefits, and Monitoring Mar 2, 2026 1183 In this episode, we break down Dexmedetomidine use in the ventilated patient, focusing on dosing strategies, clinical benefits, and essential monitoring in critical care. Designed for nursing students, ICU clinicians, and emergency and critical care professionals, this episode provides a clear, practical guide to using dexmedetomidine for sedation in mechanically ventilated patients. We explain ho

#226 Propofol Infusion in the Ventilated Patient - Dosing, Monitoring, and Safety Feb 28, 2026 1292 In this episode, we explore Propofol infusion in the ventilated patient, focusing on safe dosing, essential monitoring, and key safety considerations in critical care. Designed for nursing students, ICU clinicians, and emergency and critical care professionals, this episode provides a practical, step-by-step guide to using propofol for sedation in mechanically ventilated patients. We explain how p

#225 ICU Assessment Essentials - RASS, CPOT, and CAM ICU Explained Feb 26, 2026 3679 In this episode, we cover ICU Assessment Essentials by breaking down three of the most important bedside tools in critical care: the RASS (Richmond Agitation Sedation Scale), CPOT (Critical Care Pain Observation Tool), and CAM-ICU (Confusion Assessment Method for the ICU). This episode is designed for nursing students, ICU clinicians, and healthcare professionals who want a practical, easy-to-foll

#224 CAM ICU Explained | ICU Delirium Assessment Feb 24, 2026 1117 In this episode, we explain the CAM-ICU (Confusion Assessment Method for the ICU) — a validated and widely used tool for detecting delirium in critically ill patients. Designed for nursing students, ICU clinicians, and healthcare professionals, this episode provides a clear, practical guide to understanding how the CAM-ICU works and how to perform an accurate delirium assessment at the bedside. We

#223 CPOT Score Explained | Critical Care Pain Observation Tool Feb 22, 2026 1051 In this episode, we explain the CPOT Score (Critical Care Pain Observation Tool) — an essential assessment tool used to evaluate pain in critically ill patients who cannot communicate verbally. Perfect for nursing students, ICU clinicians, and healthcare professionals, this episode walks you through how the CPOT scale works, how to score each category, and how it improves pain management in critic

#222 RASS Score Explained | Richmond Agitation Sedation Scale Feb 20, 2026 1680 In this episode, we break down the RASS Score (Richmond Agitation Sedation Scale) — a widely used clinical tool for assessing a patient’s level of agitation and sedation in critical care settings. Whether you’re a nursing student, medical professional, or healthcare learner preparing for exams or clinical practice, this episode provides a clear, step-by-step explanation of how the RASS scale works

#221 Transfusion Products Explained | PRBCs, Platelets, FFP, PCC, and Cryoprecipitate Feb 18, 2026 4429 Packed Red Blood Cells (PRBCs), Platelets, Fresh Frozen Plasma (FFP), Prothrombin Complex Concentrate (PCC), and Cryoprecipitate are the foundational transfusion products used to treat anemia, bleeding, and coagulopathy. Understanding what each product does and how to choose the right one is essential for safe and effective patient care. In this episode, we provide a practical, high-yield overview

#220 Coagulation Products Explained: FFP, PCC, and Cryoprecipitate Feb 16, 2026 2606 Fresh Frozen Plasma (FFP), Prothrombin Complex Concentrate (PCC), and Cryoprecipitate are core coagulation products used in bleeding and coagulopathy management — but knowing which product to choose and when is essential for safe, effective care. In this episode, we break down the key differences between FFP, PCC, and cryoprecipitate, focusing on composition, indications, and clinical decision-mak

#219 Cryoprecipitate Transfusion Explained | Components, Indications, Dosing, and Fibrinogen Feb 14, 2026 1022 Cryoprecipitate transfusion is a targeted therapy used to correct hypofibrinogenemia and specific coagulation factor deficiencies in bleeding patients. In this episode, we break down when to give cryoprecipitate, how to dose it, and what fibrinogen targets matter most in everyday clinical practice. This discussion covers: What cryoprecipitate is and what it contains Indications for cryoprecipi

#218 Platelet Transfusion Explained | Indications, Thresholds, and Transfusion Triggers Feb 12, 2026 987 Platelet transfusion is a common intervention in thrombocytopenia, bleeding, and peri-procedural care — but knowing when to transfuse, what thresholds to use, and how to balance risks and benefits is critical. In this episode, we walk through a practical, evidence-based approach to platelet transfusion decision-making, focusing on real-world clinical scenarios rather than slide-based teaching. Top

#217 Prothrombin Complex Concentrate (PCC) Explained | Components, Indications, Dosing, and Safety Feb 10, 2026 993 Prothrombin Complex Concentrate (PCC) is a powerful, targeted coagulation therapy used in urgent bleeding and anticoagulation reversal. In this episode, we walk through what PCC is, when to use it, how to dose it, and what safety considerations matter most in real-world clinical practice. This audio-focused discussion covers: What Prothrombin Complex Concentrate (PCC) contains Common indicatio

#216 Shock Explained: An ICU Starter Guide to Physiology, Vasopressors, and Management Feb 8, 2026 6649 Shock is a life-threatening state of circulatory failure that requires rapid recognition and a strong understanding of underlying physiology. In this episode, we provide a clear, structured ICU starter guide to shock, focusing on how and why patients deteriorate and how to intervene effectively at the bedside. We begin with the core physiology of shock and mechanisms of impaired tissue perfusion,

#215 Septic Shock Explained: Diagnosis, Management, and Common Mistakes Feb 6, 2026 2743 Septic shock is one of the most common and deadly emergencies encountered in critical care, yet early missteps in diagnosis and management can dramatically worsen outcomes. In this episode, we walk through septic shock step by step, focusing on how to recognize it, how to manage it effectively, and the most common mistakes clinicians make along the way. We start by reviewing the physiology of sept

#214 ECMO Explained: VA-ECMO, VV-ECMO, and When to Use Each Feb 4, 2026 3337 Extracorporeal membrane oxygenation (ECMO) is one of the most complex and powerful tools in critical care—but also one of the most misunderstood. In this episode, we break down ECMO step by step, focusing on VA-ECMO, VV-ECMO, how they work, and when to use each configuration. We start with the fundamentals of ECMO physiology and circuit components, then walk through veno-arterial (VA) ECMO for car

#213 Most Common Mistakes in Septic Shock Management | Emergency & Critical Care Feb 2, 2026 1319 Septic shock management is complex, and many poor outcomes stem from preventable management errors rather than delayed recognition. In this episode, we break down the most common mistakes clinicians make when managing septic shock, using a physiology-driven framework relevant to both the emergency department and ICU. We discuss pitfalls related to fluid resuscitation, delayed or inappropriate vaso

#212 Metformin-Associated Lactic Acidosis (MALA) Explained | Symptoms, Pathophys, Diagnosis & Management Jan 30, 2026 893 Metformin-associated lactic acidosis (MALA) is rare, but when it occurs, it carries significant morbidity and mortality. In this episode, we walk through a practical, clinician-focused approach to recognizing and managing MALA in the emergency department and ICU. We review the pathophysiology behind metformin-related lactic acidosis, common risk factors and precipitating conditions, and the clinic

#211 Four Common Mistakes in Shock Management | Emergency & Critical Care Jan 28, 2026 1140 Shock management is where small clinical decisions can have outsized consequences. In this episode, we break down four common mistakes clinicians make when managing patients in shock, with a focus on physiology-driven decision making rather than protocol-only care. We discuss the consequences of ignoring right ventricular failure, delaying vasopressors, treating mean arterial pressure instead of t

#210 VV-ECMO Explained in Under 10 Minutes | Anatomy, Components, & Settings Jan 26, 2026 654 Veno-venous ECMO (VV-ECMO) is primarily a respiratory support modality, but its physiology is often oversimplified. In this episode, we walk through VV-ECMO from a practical, clinician-focused perspective. We discuss what VV-ECMO is, how the circuit is configured, key anatomic considerations for cannulation, and the core components of the system. We also review common VV-ECMO settings and how chan

#209 VA-ECMO Explained in Under 10 Minutes | Anatomy, Components, & Settings Jan 24, 2026 669 VA-ECMO explained in under 10 minutes. We cover what VA-ECMO is, vascular anatomy and cannulation, core circuit components, and key ECMO settings used in emergency and critical care medicine. In this episode, we break down: What veno-arterial ECMO (VA-ECMO) is and when it’s used Anatomy & cannulation strategy (venous drainage, arterial return) Core VA-ECMO components (cannulae, pump, oxygenato

#208 Lactate and Capillary Refill Time | Comprehensive Overview Perfusion Assessment in Shock (ED/ICU) Jan 22, 2026 3415 Assessing tissue perfusion is central to managing shock and critical illness. In this comprehensive episode, we review lactate, capillary refill time (CRT), and then directly compare the two bedside perfusion markers, focusing on how to interpret them in emergency and critical care settings. We cover: • Lactate physiology and causes of elevation • Type A vs Type B lactic acidosis • Prognostic valu

#207 Pulse Pressure Explained | Physiology, Interpretation, and Shock States in Critical Care Jan 20, 2026 771 Pulse pressure is an often overlooked but powerful bedside vital sign that provides insight into stroke volume, vascular tone, and shock physiology. In this episode, we break down pulse pressure from first principles, focusing on how to interpret it in emergency and critical care settings. We cover: • What pulse pressure represents physiologically • Normal vs abnormal pulse pressure values • Narro

#206 Lactate vs Capillary Refill Time | Which Is Better for Assessing Shock & Perfusion? Jan 18, 2026 923 Lactate and capillary refill time (CRT) are two of the most commonly used markers to assess tissue perfusion and shock—but they reflect very different physiology. In this episode, we directly compare lactic acid and capillary refill time, exploring what each represents, their strengths and limitations, and how to use them together at the bedside. We cover: • What lactate represents physiologically

#205 When to Use Stress-Dose Steroids in the ED | 3 High-Yield Clinical Scenarios Jan 16, 2026 925 Stress-dose steroids are commonly discussed in emergency medicine but often misunderstood or inconsistently applied. In this episode, we review three high-yield clinical scenarios in the emergency department where stress-dose steroids may be considered, focusing on physiology, evidence, and practical bedside decision-making. We cover: • What stress-dose steroids are and why they are used • Septic

#204 Capillary Refill Time Explained | How to Measure CRT and Assess Shock at the Bedside Jan 14, 2026 1070 Capillary refill time (CRT) is a simple bedside exam that provides powerful insight into tissue perfusion and shock physiology. In this comprehensive review, we break down everything folks need to know about CRT, including how to measure it correctly, how to interpret abnormal values, and how it compares to traditional markers of perfusion. We cover: • What capillary refill time represents physiol

#203 Lactate Explained | Lactic Acidosis, Type A vs Type B, and Prognosis in Critical Illness Jan 12, 2026 1697 Lactate is one of the most commonly ordered labs in emergency medicine and critical care—yet it’s often misunderstood. In this comprehensive review, we break down everything clinicians need to know about lactate and lactic acidosis, from basic physiology to prognostic significance in critical illness. We cover: • What lactate is and how it’s produced • Aerobic vs anaerobic lactate generation • Typ

#201 Refractory Hypoxemia Explained | Pulmonary Embolism With Right-to-Left Cardiac Shunt (ED/ICU Case) Jan 10, 2026 976 Refractory hypoxemia that does not improve with supplemental oxygen should immediately raise concern for a right-to-left shunt. In this ED and ICU case review, we walk through a patient with acute pulmonary embolism causing severe hypoxemia due to intracardiac shunting, reviewing the underlying physiology, diagnostic approach, and management considerations. We break down: • Mechanisms of refractor

#200 Eight Common Ventilator Mistakes To Avoid That May Harm Patients! Jan 8, 2026 1154 Mechanical ventilation saves lives — but small ventilator mistakes can cause major patient harm. In this episode, we break down 8 common ventilator mistakes that clinicians frequently make in the ICU and emergency department, and explain why they matter physiologically. We cover errors related to tidal volume, PEEP, oxygenation vs ventilation, respiratory rate, patient–ventilator dyssynchrony, hem

#199 PEEP Explained: Oxygenation, Compliance & Hemodynamics Jan 6, 2026 2039 Positive end-expiratory pressure (PEEP) is one of the most powerful — and misunderstood — tools in mechanical ventilation. In this episode, we break down how PEEP works, why it improves oxygenation, and when it can actually harm patients. We’ll walk through: • How PEEP recruits alveoli and improves oxygenation • The relationship between PEEP, lung compliance, and overdistension • How excessive PEE

#198 Occult Cardiogenic Shock Explained | The Shock You’re Missing at the Bedside Jan 4, 2026 1057 Occult cardiogenic shock is one of the most commonly missed shock states in Emergency Medicine and Critical Care. These patients may appear “stable” — with near-normal blood pressure — yet have severe cardiac dysfunction, low cardiac output, and poor tissue perfusion. In this episode, we break down: 🔹 What occult cardiogenic shock actually is 🔹 Why blood pressure alone is misleading 🔹 The underlyi

#197 Comparing Shock States | Hypovolemic vs Cardiogenic vs Distributive vs Obstructive Jan 2, 2026 1502 Shock is a life-threatening condition encountered daily in Emergency Medicine, Critical Care, and the ICU — yet it’s often taught in fragmented algorithms rather than unified physiology. In this episode, we break down all major shock states in a clear, structured way: 🔹 Hypovolemic shock 🔹 Cardiogenic shock 🔹 Obstructive shock 🔹 Distributive shock (septic, anaphylactic, neurogenic) 📚 MINI COURSES,

#196 The Ultimate ICU Basics Guide | Ventilation, Shock, Pressors & Renal Replacement Dec 30, 2025 7015 This episode is a comprehensive, high-yield guide to ICU basics, designed for medical students, nurses, APCs, interns, residents, emergency medicine physicians, intensivists, and critical care trainees. We walk step-by-step through the core foundations of ICU care, focusing on physiology-driven decision-making and practical bedside management. Topics include mechanical ventilation, shock, vasopres

WhiteBoard Medicine - Emergency And Critical Care

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