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Multiple Choice

What is the goal of permissive hypotension in prehospital hemorrhagic shock management?

Permissive hypotension means intentionally keeping the blood pressure lower than normal during hemorrhagic shock to limit ongoing bleeding while still providing enough perfusion to vital organs. In the prehospital setting this generally targets a systolic around 80–90 mmHg (MAP about 50–60), avoiding large-volume fluid boluses that could raise pressure and disrupt forming clots. The idea is to prevent further bleeding and clot dissolution while the source of hemorrhage is controlled, rather than trying to restore normal blood pressure right away. Vasopressors aren’t usually first-line because they constrict vessels and can reduce tissue perfusion and complicate bleeding control. Waiting for definitive surgery before any fluids isn’t appropriate either; careful fluid management is used to maintain perfusion without fueling more bleeding.

Permissive hypotension means intentionally keeping the blood pressure lower than normal during hemorrhagic shock to limit ongoing bleeding while still providing enough perfusion to vital organs. In the prehospital setting this generally targets a systolic around 80–90 mmHg (MAP about 50–60), avoiding large-volume fluid boluses that could raise pressure and disrupt forming clots. The idea is to prevent further bleeding and clot dissolution while the source of hemorrhage is controlled, rather than trying to restore normal blood pressure right away. Vasopressors aren’t usually first-line because they constrict vessels and can reduce tissue perfusion and complicate bleeding control. Waiting for definitive surgery before any fluids isn’t appropriate either; careful fluid management is used to maintain perfusion without fueling more bleeding.