WhiteBoard Medicine - Emergency And Critical Care

#160 Beta Blocker Overdose BB OD Explained | Toxicity, Management & Antidotes

Beta blocker overdose is one of the most dangerous cardiovascular emergencies, leading to bradycardia, hypotension, seizures, and cardiogenic shock. Agents like propranolol, metoprolol, carvedilol, and atenolol can cause life-threatening toxicity, especially with ER formulations or co-ingestions.
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In this podcast, we cover: What beta blockers are and why overdoses are so dangerous 💊 Mechanisms of toxicity: β1/β2 blockade, sodium channel blockade, lipophilicity, and QT prolongation 🔬 Clinical presentation: bradycardia, shock, seizures, bronchospasm, hypoglycemia 🩺 Emergency management: airway/IV access, glucagon, HIET (high-dose insulin therapy), vasopressors, sodium bicarbonate, lipid emulsion, ECMO 🚑 Diagnostic workup and monitoring strategies in the ED/ICU Prognosis, pearls, and practice questions for learners
Link To Video Version:https://www.youtube.com/watch?v=Y2zwZl323j0
DISCLAIMER THIS PODCAST DOES NOT PROVIDE MEDICAL ADVICE. The information, including but not limited to, audio, text, graphics, images and other material contained on this website are for informational purposes only. No material on this site is intended to be a substitute for professional medical advice, diagnosis or treatment. Always seek the advice of your physician or other qualified health care provider with any questions you may have regarding a medical condition or treatment and before undertaking a new health care regimen, and never disregard professional medical advice or delay in seeking it because of something you have read, watched, or listened to on this video, or any other videos, reports, texts tweets or other sources.

#159 Shock Index Made Easy ⚡ | Trauma, Sepsis, Pregnancy & Critical Care Applications

The Shock Index (SI) is one of the simplest but most powerful bedside tools in emergency medicine and critical care. Defined as heart rate divided by systolic blood pressure (HR ÷ SBP), SI often outperforms vital signs alone for detecting occult shock.
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Link To Video Version: https://www.youtube.com/watch?v=0CoHL94ALB4
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DISCLAIMER THIS PODCAST DOES NOT PROVIDE MEDICAL ADVICE. The information, including but not limited to, audio, text, graphics, images and other material contained on this website are for informational purposes only. No material on this site is intended to be a substitute for professional medical advice, diagnosis or treatment. Always seek the advice of your physician or other qualified health care provider with any questions you may have regarding a medical condition or treatment and before undertaking a new health care regimen, and never disregard professional medical advice or delay in seeking it because of something you have read, watched, or listened to on this video, or any other videos, reports, texts tweets or other sources.

#158 Sepsis & Septic Shock Explained | Pathophysiology, Phenotypes & More 🦠

Sepsis and septic shock remain some of the most critical conditions in emergency medicine and critical care. 🦠 In this video, we start with the basics of sepsis and septic shock before moving into more advanced topics: sepsis-induced cardiomyopathy, sepsis pathophysiology, and sepsis phenotypes. Learn how to recognize, understand, and manage sepsis from the ground up.
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Timestamps: 0:00 - 22:01 - Sepsis Basic Concepts 20:02 - 45:44 - Septic Shock Overview 45:45 - 1:03:25 - Septic Shock Advanced Pathophysiology 1:03:26 - 1:25:09 - Sepsis Induced Cardiomyopathy (SICM) 1:25:10 - 1:41:23 - Sepsis Phenotypes
Link to YouTube Video: https://www.youtube.com/watch?v=l6eq1MoOUCs
DISCLAIMER THIS PODCAST DOES NOT PROVIDE MEDICAL ADVICE. The information, including but not limited to, audio, text, graphics, images and other material contained on this website are for informational purposes only. No material on this site is intended to be a substitute for professional medical advice, diagnosis or treatment. Always seek the advice of your physician or other qualified health care provider with any questions you may have regarding a medical condition or treatment and before undertaking a new health care regimen, and never disregard professional medical advice or delay in seeking it because of something you have read, watched, or listened to on this video, or any other videos, reports, texts tweets or other sources.

#157 Mastering Acute Hypoxemic Respiratory Failure – ABG, VBG, Aa Gradient, Chest Xray, Interpretation

In this episode, we break down how to approach acute hypoxemic respiratory failure at the bedside. You’ll learn step-by-step interpretation of arterial blood gases (ABG), venous blood gases (VBG), alveolar-arterial (Aa) gradient, and using the chest x-ray and ABG to diagnose the cause. We’ll cover the physiology, practical interpretation pearls, and common pitfalls so you can confidently apply this knowledge in the ICU, ED, or wards.
Link To YouTube Video: https://www.youtube.com/watch?v=g-6Qn5dmyxU
📚 MINI COURSES, STUDY GUIDES, PRACTICE QUESTIONS, AD FREE VIDEOS, EDUCATIONAL DISCUSSIONS in our WBM Emergency Critical Care Patreon Community - Join Today!! https://www.patreon.com/c/WhiteBoardMedicine
Timestamps: 0:00 - 15:02 - Arterial Blood Gas Sampling and Analysis 15:03 - 30:14 - Venous Blood Gas Sampling and Analysis 30:15 - 42:22 - Using, Calculating, and Understanding the Aa Gradient 42:23 - 53:32 - Diagnosing Cause of Hypoxemia Using ABG and CXR
DISCLAIMER THIS PODCAST DOES NOT PROVIDE MEDICAL ADVICE. The information, including but not limited to, audio, text, graphics, images and other material contained on this website are for informational purposes only. No material on this site is intended to be a substitute for professional medical advice, diagnosis or treatment. Always seek the advice of your physician or other qualified health care provider with any questions you may have regarding a medical condition or treatment and before undertaking a new health care regimen, and never disregard professional medical advice or delay in seeking it because of something you have read, watched, or listened to on this video, or any other videos, reports, texts tweets or other sources.

#156 Cardiac Physiology Made Simple | Pressures, Output, Preload & More 🫀

Master the fundamentals of cardiac physiology — from chamber pressures and cardiac output to preload, afterload, contractility, and the Fick equation. 🫀 This episode breaks down complex hemodynamics and devices into simple, high-yield concepts for exams and bedside care. Perfect for medical students, residents, fellows, nurses, physiologists, and clinicians in emergency medicine, critical care, and cardiology.
📚 MINI COURSES, STUDY GUIDES, PRACTICE QUESTIONS, AD FREE VIDEOS, EDUCATIONAL DISCUSSIONS in our WBM Emergency Critical Care Patreon Community - Join Today!! https://www.patreon.com/c/WhiteBoardMedicine
Timestamps: 0:00 - 9:46 - Cardiac Chamber Pressures, Pulmonary Artery Catheters, Central Venous Catheters 9:47 - 36:46- Cardiac Output, Heart Rate, Preload, Contractility, Afterload 36:47 - 51:37 - Fick Equation, Explanation, Derivation
Link to YouTube Video: https://www.youtube.com/watch?v=YrVITCyZhzk
DISCLAIMER THIS PODCAST DOES NOT PROVIDE MEDICAL ADVICE. The information, including but not limited to, audio, text, graphics, images and other material contained on this website are for informational purposes only. No material on this site is intended to be a substitute for professional medical advice, diagnosis or treatment. Always seek the advice of your physician or other qualified health care provider with any questions you may have regarding a medical condition or treatment and before undertaking a new health care regimen, and never disregard professional medical advice or delay in seeking it because of something you have read, watched, or listened to on this video, or any other videos, reports, texts tweets or other sources.

#155 Mastering Mechanical Ventilation - Peak, Plateau, and Driving Pressures

Master the key pressures in mechanical ventilation: peak inspiratory pressure, plateau pressure, and driving pressure. In this episode, we break down what each pressure means, how to measure them, and why they’re critical for managing patients in the ICU and emergency department. Perfect for medical students, residents, critical care fellows, respiratory therapists, emergency nurses, critical care nurse, and anyone preparing for exams. 🚑🫁
📚 MINI COURSES, STUDY GUIDES, PRACTICE QUESTIONS, AD FREE VIDEOS, EDUCATIONAL DISCUSSIONS in our WBM Emergency Critical Care Patreon Community - Join Today!! https://www.patreon.com/c/WhiteBoardMedicine
Timestamps: 0:00 - 12:31 - Defining peak and plateau pressures, how to measure, what is normal 12:32 - 20:37 - High peak/high plateau, high peak/low plateau, comparison, differential diagnosis 20:38 - 22:40 - Waveform analysis, measurement, inspiratory hold 22:41 - 37:40 - Driving pressure, definition, calculation, use, optimization
Link To YouTube Video: https://www.youtube.com/watch?v=aXlDUMbSjrY
DISCLAIMER THIS VIDEO DOES NOT PROVIDE MEDICAL ADVICE. The information, including but not limited to, text, graphics, images and other material contained on this website are for informational purposes only. No material on this site is intended to be a substitute for professional medical advice, diagnosis or treatment. Always seek the advice of your physician or other qualified health care provider with any questions you may have regarding a medical condition or treatment and before undertaking a new health care regimen, and never disregard professional medical advice or delay in seeking it because of something you have read, watched, or listened to on this video, or any other videos, reports, texts tweets or other sources.

#154 Mechanical Circulatory Support Explained: LVAD, IABP, and ECMO | Critical Care Guide

Mechanical circulatory support (MCS) is a cornerstone of modern critical care, cardiology, and cardiac surgery. In this episode, we review the most important devices — LVADs, intra-aortic balloon pump (IABP), and ECMO — with a focus on when and how they’re used.
📌 What’s covered in this video: Basics of mechanical circulatory support (MCS). LVAD (Left Ventricular Assist Device): how it works, indications, complications, alarms, suction events. IABP (Intra-aortic Balloon Pump): mechanism, timing, clinical pearls. ECMO (Extracorporeal Membrane Oxygenation): types (VA vs VV), patient selection, and troubleshooting. Practical ICU and ED applications.
📖 More Resources Download study guides, infographics, and practice questions here: https://www.patreon.com/collection/1443765
Timestamps:
Chapter 1 (0:00 - 33:37) - LVAD Anatomy, Physiology, Indications, Contraindications, Evaluation, Complications
Chapter 2 (33:38 - 47:17) - LVAD Alarms Flow, Power, Pulsatility Index
Chapter 3 (47:18 - 57:52) - LVAD Suction Events
Chapter 4 (57:53 - 01:19:15) - IABP Placement, Waveforms, Hemodynamics, Indications, Complications
Chapter 5 (01:19:16 - 01:53:53) - ECMO Principles, Types, Anatomy, Indications, Complications
Link to YouTube Video: 
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DISCLAIMER THIS PODCAST DOES NOT PROVIDE MEDICAL ADVICE. The information, including but not limited to, audio, text, graphics, images and other material contained on this website are for informational purposes only. No material on this site is intended to be a substitute for professional medical advice, diagnosis or treatment. Always seek the advice of your physician or other qualified health care provider with any questions you may have regarding a medical condition or treatment and before undertaking a new health care regimen, and never disregard professional medical advice or delay in seeking it because of something you have read, watched, or listened to on this video, or any other videos, reports, texts tweets or other sources.

#153 Mastering Shock - Hypovolemic, Cardiogenic, Obstructive, Distributive & Septic Shock Explained

In this episode, we break down the four major shock states — hypovolemic, cardiogenic, obstructive, and distributive — and provide a structured approach to evaluating patients in undifferentiated shock. We’ll then take a deeper dive into septic shock, including pathophysiology, diagnosis, and management strategies used in the ICU and emergency department.
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Link To YouTube Video: https://www.youtube.com/watch?v=3nqSQwEBkP0
Timestamps: 0:00 - 11:38 - Framework For Differentiating Undifferentiated Shock 11:39 - 32:32 - Breaking Down The 4 Shock States - Hypovolemic, Distributive, Cardiogenic, Obstructive 32:33 - 56:43 - Deep Dive Into Septic Shock
DISCLAIMER THIS PODCAST DOES NOT PROVIDE MEDICAL ADVICE. The information, including but not limited to, audio, text, graphics, images and other material contained on this website are for informational purposes only. No material on this site is intended to be a substitute for professional medical advice, diagnosis or treatment. Always seek the advice of your physician or other qualified health care provider with any questions you may have regarding a medical condition or treatment and before undertaking a new health care regimen, and never disregard professional medical advice or delay in seeking it because of something you have read, watched, or listened to on this video, or any other videos, reports, texts tweets or other sources.
 

#152 End Tidal Capnography Explained - Waveform Analysis & Clinical Applications

End tidal capnography (ETCO₂) is one of the most important tools in emergency medicine, anesthesia, and critical care. In this episode, we break down normal and abnormal capnography waveforms, explain the physiology behind each pattern, and show you how to apply ETCO₂ in real clinical scenarios.
📌 What’s covered in this video: Normal ETCO₂ waveform and interpretation. Obstructive patterns (bronchospasm, airway obstruction). The “curare cleft” and inadequate neuromuscular blockade. Hyperventilation vs hypoventilation on waveform analysis. Capnography in cardiac arrest: ROSC detection & quality of CPR. Clinical pearls for the ED, ICU, and OR.
Timestamps:
Chapter 1 (0:00 - 19:36) - Normal Capnography Waveform Analysis
Chapter 2 (19:37 - 28:31) - Obstruction Capnography Waveform Analysis
Chapter 3 (28:32 - 34:20) - Curare Cleft Chapter 4 (34:21 - 42:11) - Hyperventilation, Hypoventilation, And Waveform Analysis
Chapter 5 (42:12 - 54:37) - End Tidal Capnography In Cardiac Arrest
Link To YouTube Video: https://www.youtube.com/watch?v=eyut072tz5s
📖 More Resources Download study guides, infographics, and practice questions here: https://www.patreon.com/collection/1443765
👍Become a WhiteBoard Medicine member for early access and perks! https://www.youtube.com/channel/UCiMhM7xCTT8b5SJRnhpH7Ag/join
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DISCLAIMER THIS PODCAST DOES NOT PROVIDE MEDICAL ADVICE. The information, including but not limited to, audio, text, graphics, images and other material contained on this website are for informational purposes only. No material on this site is intended to be a substitute for professional medical advice, diagnosis or treatment. Always seek the advice of your physician or other qualified health care provider with any questions you may have regarding a medical condition or treatment and before undertaking a new health care regimen, and never disregard professional medical advice or delay in seeking it because of something you have read, watched, or listened to on this video, or any other videos, reports, texts tweets or other sources.

#151 Calcium Channel Blocker Overdose | Diagnosis, Management, and Antidotes Explained

Calcium channel blocker (CCB) overdose is one of the most dangerous toxicologic emergencies seen in emergency medicine and critical care.
📚 MINI COURSES, STUDY GUIDES, PRACTICE QUESTIONS, AD FREE VIDEOS, EDUCATIONAL DISCUSSIONS in our WBM Emergency Critical Care Patreon Community - Join Today!! https://www.patreon.com/c/WhiteBoardMedicine
Timestamps: 0:00 - 6:27 - Introduction, What are CCBs, Dihydropyridines vs Non-dihydropyridines 6:28 - 10:33 - Epidemiology, Mechanism of Toxicity, Effects 10:34 - 13:29 - Clinical Presentation and Diagnostic Work up 13:30 - 22:25 - Stabilization, First Line Therapies, Adjunctive Therapies, Advanced Therapies 22:26 - 29:05 - Monitoring, Prognosis, Bedside Tips, Practice Questions
YouTube Video: https://www.youtube.com/watch?v=P19nyRgX5Xw
👉 Subscribe for more emergency & critical care medicine content! 👍Become a WhiteBoard Medicine member for early access and perks! https://www.youtube.com/channel/UCiMhM7xCTT8b5SJRnhpH7Ag/join
DISCLAIMER THIS PODCAST DOES NOT PROVIDE MEDICAL ADVICE. The information, including but not limited to, audio, text, graphics, images and other material contained on this website are for informational purposes only. No material on this site is intended to be a substitute for professional medical advice, diagnosis or treatment. Always seek the advice of your physician or other qualified health care provider with any questions you may have regarding a medical condition or treatment and before undertaking a new health care regimen, and never disregard professional medical advice or delay in seeking it because of something you have read, watched, or listened to on this video, or any other videos, reports, texts tweets or other sources.