From Blog
Southwest 3923: Why Oxygen Masks Don’t Save You From Smoke in the Cabin
In March 2023, Southwest Airlines flight 3923, a Boeing 737 MAX en route to Fort Lauderdale from Havana, Cuba, made an emergency landing shortly after takeoff when the cabin began to fill with smoke secondary to an engine failure and …
Evaluation of SEAL Hemostatic Spray: Marketing Claims vs. Published Data
Recently, both a Special Forces Medic and a civilian fire paramedic asked me about a new hemostatic product being actively marketed on social media: SEAL Hemostatic Wound Spray. Like many things on social media, you have to check the veracity: …
Brazilian Bank Robbery: Lethality of penetrating neck wounds
🕖 Reading Time, 4 minutes Fatal Penetrating Neck Wounds Originally published Feb 25, 2023, but updated based on recent events and questions from students. This video of an attempted bank robbery in Brazil shows that some injuries are just too …
Clamshell Direct Pressure: A Simple, Hands-On Hemorrhage Control Technique When Tourniquets Aren’t Available
🕖 Reading Time, 5 minutes In our race to use tourniquets for controlling hemorrhage, we often lose sight of the value of good direct pressure as a hemorrhage control technique. Proven commercially available tourniquets are almost always going to be …
Burn MCI Breakdown: How a Party Became Taiwan’s Worst Mass Casualty Fire
In 2015, 499 burn casualties occurred from a fire that broke out at the Formosa Fun Coast Park in Taiwan. Researched and written by Mike Shertz, MD/18D, not AI 🕖 Reading Time, 3 minutes Originally published 28 Sept 2020. Republished …
Tactical Resuscitation in 2025: Rethinking MARCH for the Blood Product Era
Co-TCCC considered changing the MARCH mnemonic to include resuscitation, or more specifically transfusion. Researched and written by Mike Shertz, MD/18D, not AI 🕖 Reading Time, 4 minutes In 2025, with the widespread use of blood started prehospital to resuscitate US …


