Abstract
A 52-year-old female physician with stage I hypertension (average seated blood pressure, 146/98 mm Hg) developed sudden-onset sharp throbbing pain in the tip of the left index finger followed by the development of splinter hemorrhages in the nail bed and cyanosis of the tuft of the same finger. A local cardiologist in the community administered amlodipine (5 mg daily), both to treat the hypertension and what he presumed was an atypical manifestation of Raynaud phenomenon. There was no history of collagen vascular disorder, fever, chills, dental work, skin lesions, or intravenous lines.
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