The Passive Leg Raise (PLR) test is one of the most reliable and safest ways to assess fluid responsiveness at the bedside — without giving unnecessary IV fluids. By mobilizing ~300–500 mL of venous blood centrally, PLR provides a reversible preload challenge that can guide resuscitation in critically ill patients. 📚 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 In this episode, we cover: What the Passive Leg Raise test is and how it works 🧠 Step-by-step guide on how to perform PLR correctly 🛠️ What constitutes a positive PLR response (SV/CO ↑ ≥10–15%) 📊 When PLR is most useful (shock, septic patients, weaning pressors, high-risk fluid cases) ✅ Contraindications and pitfalls 🚫 Evidence base supporting PLR vs. static measures like CVP and IVC ultrasound 📚 Clinical pearls and board-style practice questions 📝 Link to video: https://www.youtube.com/watch?v=x5Y6i62fCc0  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.