Abstract
Vascular pathology of the upper extremity requires consideration of constitutional, anatomic, and functional factors. The medical history and physical examination are essential. The Allen test can be performed alongside a handheld Doppler for arterial mapping. Useful studies include digital-brachial index measurements, digital plethysmography, laser Doppler, and color ultrasounds. Three-phase bone scintigraphy still plays a role in the evaluation of vascularity after of frostbite injury. Angiogram remains the gold standard radiographic instrument to evaluate vascular pathology of the upper extremity, but computed tomography and magnetic resonance scans have an increasing role in diagnosis of vascular pathology.
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