The objective of this study was to determine whether ankle peak systolic velocity (APSV ... if they had foot lesions such as ulcers, gangrene, or tissue necrosis and had no palpable pedal pulses.

Physical examination revealed blue toes, fissures, petechial hemorrhages, and ulcerating gangrene of the ankles. There was no physical or laboratory evidence of endocarditis, peripheral arterial ...