Elderly patient with history consistent with claudication (cramping pain in calf relieved with rest), which is best worked up with ankle-brachial index (better than arteriography for initial work-up because arteriography is much more invasive)
Key idea: ABI < 0.90 is abnormal
Claudication:ย Patient will have risk factors for peripheral vascular disease (diabetes, HTN, smoking, etc.), reduced lower extremity pulses, reduced lower extremity temperature, pain classically in the calves, reduced hair on legs
Pseudo-claudication (spinal stenosis):ย Positional (improves with flexion), classically affects buttocks and thighs, may be associated with back pain
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