Episode overview
About This Episode
Dennis sits down with Max to walk through hemorrhagic shock the way it actually behaves in young, healthy military-age casualties—not the tidy textbook ladder of Class I–IV. They start with the only split that matters: compensated versus uncompensated. Class I–II means the body is still delivering oxygen to organs. Class III–IV means it is not, and the damage is no longer a simple volume problem.
Max breaks compensation into “gears”: venous reserve first (no vital-sign change), then heart rate, pulse-pressure narrowing from arterial squeeze, contractility, and work of breathing. He stresses why a 40-year-old operator with a resting HR of 50 who hits 80 is already tachycardic, why a diastolic climbing toward 100 is a warning, and why scene blood volume—“How much blood was on the ground?”—is often the most important sentence in the handoff.
They cover why fit casualties can look like Class II, then skip Class III and drop into unconscious Class IV in minutes (Ranger Campbell and similar “walking dead” cases). Decision-making is reduced to two tenets: Is bleeding stopped? What is the trend? Guidelines that wait for SBP
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