Causes of upper extremity arterial occlusion

Arterial embolus	Arterial injury	Native arterial thrombosis	Arteritides	Arterial thrombosis following intervention
Cardiac source: Atrial fibrillation Myocardial infarction Endocarditis Arterial source: Aneurysm Atherosclerotic plaque Paradoxical embolus	Iatrogenic: Thromboembolism Dissection Traumatic	Atherosclerotic plaque Aneurysm thrombosis Arterial entrapment/compression (eg, thoracic outlet syndrome) Thrombophilia Low flow state	Scleroderma/CREST syndrome Mixed connective tissue disease Raynaud phenomenon Undifferentiated connective tissue disease Rheumatoid arteritis Systemic lupus erythematosus Sjögren syndrome Reactive arteritis (Reiter syndrome)	Vein bypass graft Prosthetic bypass graft Angioplasty site Stent/stent-graft site

Courtesy of Parth Shah, MBBS, FACS.

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