09/02/2026
The 28-year-old was 34 weeks. Abdominal trauma from a low-speed MVC. She was talking. Blood pressure 108/70. Heart rate 118.
The crew documented stable pregnant trauma and transported without priority notification.
That blood pressure is not stable in late pregnancy.
Maternal circulating volume is up. Compensated shock hides longer. The fetus is the canary. Persistent maternal tachycardia with a pressure that would be acceptable in a non-pregnant adult is already a perfusion problem. The placenta does not wait for maternal hypotension to declare itself.
This is a recognition and destination problem for every provider on the truck. Left lateral tilt. High-flow oxygen. Rapid transport to a facility that can do both trauma and obstetrics. Magnesium, tocolysis, and advanced airway decisions sit at the Paramedic level when protocols allow. The missed call happens earlier, when the crew treats a talking third-trimester patient like a talking medical call.
That being said, the pattern is learnable. Mechanism plus gestation plus maternal tachycardia is a high-acuity transport even when she is conversational. Simulation builds that priority before a reassuring scene becomes a dual resuscitation.
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