Poor Circulation can arise from 3 documented medical conditions. Understanding the clinical context helps identify urgent causes early.
Peripheral Artery Disease
Peripheral artery disease (PAD) is caused by atherosclerosis narrowing the arteries supplying the legs, causing claudication (leg pain with walking), poor wound healing, and increased cardiovascular risk.
Atherosclerosis
Atherosclerosis is the buildup of plaques (cholesterol, fat, calcium) inside artery walls, progressively narrowing the vessel lumen. It is the underlying cause of most heart attacks, strokes, and peripheral artery disease.
Raynaud's Disease
Raynaud's disease causes episodic vasospasm of small arteries in the fingers and toes in response to cold or stress, causing characteristic color changes (white, blue, red). Primary Raynaud's is benign; secondary forms indicate underlying connective tissue disease.
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