A 74-year-old man presents to the ED because of a 1-hour history of severe abdominal pain. He appears pale and lethargic. He has been smoking one pack of cigarettes per day for 44 years. His vitals are: temperature 99.2F, HR 126, RR 18, BP 90/55. The lungs are clear to auscultation. His abdomen is rigid with a pulsatile periumbilical mass. Which of the following is most likely in this patient?
Decreased alpha-1 agonism on arterioles
Decreased angiotensin II
Decreased femoral pulses
Decreased serum bicarbonate
Significant kaliuresis
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Cut-to-the-chase Answer (0:21):
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HY USMLE Answer (4:21):
