An idiopathic spasm of arterioles in the digits is called

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Raynaud phenomenon is an idiopathic, intermittent spasm of the arterioles in the digits, which causes skin pallor. Arteriosclerosis obliterans is the occlusion of the blood supply to the extremities by atherosclerotic plaques. Giant cell arteritis is a generalized inflammatory disease that affects arteries of the carotid, temporal, and occipital arteries. Arteriovenous fistula is a pathologic communication between an artery and a vein. An aneurysm is dilation of an artery caused by a weakness in the arterial wall. They occur in the aorta, renal, femoral, and popliteal arteries.

An Idiopathic Spasm of Arterioles in the Digits Is Called