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USMLE · Question #577
USMLE Question #577: Real Exam Question with Answer & Explanation
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Question
A 59-year-old man is brought to the emergency department because of a 4-day history of nausea, vomiting, and diarrhea. He also has been confused and agitated during this period. He has a history of mild hypertension. His current medication is a diuretic. His temperature is 37°C (98.6°F), pulse is 108/min, respirations are 26/min, and blood pressure is 70/47 mmHg. Physical examination shows delayed capillary refill of the lips and nail beds and cool extremities. His oxyhemoglobin saturation in a central vein is 60% (N = 70 - 75). These findings are most consistent with which of the following types of shock?
Options
- ACardiogenic
- BDistributive
- CHypovolemic
- DObstructive
- ESeptic
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