An alert 21-year-old male was stabbed in the epigastrium. He can only speak in short sentences and has jugular venous distension. Vital signs are BP 108/94, P 120, RR 24. What should you suspect?

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Multiple Choice

An alert 21-year-old male was stabbed in the epigastrium. He can only speak in short sentences and has jugular venous distension. Vital signs are BP 108/94, P 120, RR 24. What should you suspect?

Penetrating chest injury with jugular venous distension after trauma points to tamponade physiology, where blood in the pericardial sac limits the heart’s filling during diastole. This reduces stroke volume and can produce tachycardia, tachypnea, and a narrow pulse pressure like the one shown (systolic 108, diastolic 94). The lungs are often relatively clear in tamponade, whereas tension pneumothorax would typically present with respiratory findings such as decreased breath sounds or hyperresonance and possible tracheal deviation. A massive GI bleed would not usually cause JVD, and a myocardial infarction is unlikely in a young trauma patient. So the most likely diagnosis is pericardial tamponade.

Penetrating chest injury with jugular venous distension after trauma points to tamponade physiology, where blood in the pericardial sac limits the heart’s filling during diastole. This reduces stroke volume and can produce tachycardia, tachypnea, and a narrow pulse pressure like the one shown (systolic 108, diastolic 94). The lungs are often relatively clear in tamponade, whereas tension pneumothorax would typically present with respiratory findings such as decreased breath sounds or hyperresonance and possible tracheal deviation. A massive GI bleed would not usually cause JVD, and a myocardial infarction is unlikely in a young trauma patient. So the most likely diagnosis is pericardial tamponade.

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