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Tactical Medicine News Blog
Protocols, Gear, and Doctrine
Clinical updates, evidence-based standards, product reviews, and field reports for tactical medicine professionals. Curated by medical SMEs and veterans.
Shop Tactical GearMAR 12, 2026
How Much Blood Loss is Fatal? The Critical Thresholds of Hemorrhagic Shock
An average adult has about 5 liters of blood. Losing more than 40% of it — roughly 2 liters — is immediately life-threatening. Between 30% and 40% (about 1.5 to 2 liters), the body can no longer hold blood pressure...
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The Operator Brief
Clinical field medicine for the prepared household. Pharmacology, prolonged field care, and household medicine series. Filed every other Tuesday.
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