Evolving Shock in Major Trauma: A Prehospital Case Review with Michael DeFilippo

Evolving Shock in Major Trauma: A Prehospital Case Review with Michael DeFilippo

July 5, 2026 · 53 min

About this episode

This episode reviews a high-speed road traffic collision case study focusing on evolving shock and decision-making in prehospital care.

On today’s episode, we’re diving into a case study that captures the reality of modern prehospital care at its most demanding: a high-speed road traffic collision resulting in major trauma, an evolving shock presentation, and tension between competing priorities in the field. This case comes from Dr Michael DeFilippo, an Emergency Medicine and EMS physician, and it challenges us to think beyond protocols, to physiology, pattern recognition, and decision-making under pressure. In this episode, we’re going to slow this case down and unpack it, drawing out the key learning points, clinical decision-making frameworks, and practical prehospital strategies that shaped the outcome. From early shock recognition to fluid strategy, analgesia, and transport decisions, this is a case packed with insights for anyone working in high-acuity, time-critical care. You can read Mike's Substack post here: https://emsdrmike.substack.com/p/c1-dcr-trauma This episode is sponsored by PAX: The gold standard in emergency response bags. When you’re working under pressure, your kit needs to be dependable, tough, and intuitive. That’s exactly what you get with PAX. Every bag is handcrafted by expert tailors…

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Host: Eoin Walker

Guest: Michael DeFilippo

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