A 72-year-old woman is brought in by ambulance after a 20-minute history of crushing central chest pain. ECG shows ST-elevations in leads V2-4. Blood pressure has decreased from 150/90 to 75/40. Her skin is cold and clammy. Arterial blood gas is most likely to show which of the following?
Metabolic acidosis
Metabolic alkalosis
Respiratory acidosis
Respiratory alkalosis
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Cut-to-the-chase Answer (0:30):
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HY USMLE Answer (4:31):
