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. 📚 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 Link To Video Version: https://www.youtube.com/watch?v=0CoHL94ALB4 👉 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 👇DON'T MISS OUT - JOIN OUR PATREON COMMUNITY TODAY 👇 https://www.patreon.com/WhiteBoardMedicine 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.