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Everything below was generated by the app from a short cardiovascular-physiology primer — real flashcards, including cloze deletions, and a real multi-part case. Flip through them, work the case, then make your own from your notes.
A few of the flashcards
A case from the exam
Case · A 22-year-old soldier after acute blood loss
A 22-year-old male soldier is brought to a field medical station after a penetrating wound to the thigh from shrapnel. On arrival he is alert but anxious, with pale and cool extremities. Vital signs: heart rate 128 bpm, blood pressure 88/62 mmHg, respiratory rate 24/min, oxygen saturation 98% on room air. Capillary refill time is 4 seconds. Hemoglobin is 9.2 g/dL (baseline 15.0). Estimated blood loss is 1.2 liters. No IV fluids have been given yet.
1. Which best explains the primary hemodynamic derangement responsible for this patient's hypotension?
2. His heart rate of 128 bpm and pale, cool extremities are best explained by which compensatory mechanism?
3. If bleeding continues and compensation is overwhelmed, which finding best marks the shift to decompensated shock?
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