Acute limb ischemia Quiz: Ace Your Exams
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A 65-year-old man presents to the emergency department with moderate pain in the right leg. About three hours ago, he developed non-radiating pain in the right calf without any associated trauma. The patient has occasionally experienced pain at night in the right calf that has been relieved by dangling the right leg off the side of the bed. Past medical history is significant for recently diagnosed colon cancer and insulin-dependent diabetes mellitus. The patient has been preoccupied with his recent diagnosis of colon cancer and has not been taking his insulin regularly. HbA1c was 10.1% two months ago. Temperature is 37.0ºC, pulse is 102/min, respiratory rate is 16/min, and blood pressure is 132/82 mmHg. A right lower extremity vascular exam is notable for non-palpable distal pulses, absent arterial doppler signals, and present venous doppler signals. The right lower extremity strength is intact but sensation is absent in the toes. A CT angiogram is ordered and pending. Which of the following is the most appropriate classification for this patient’s limb?
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