New measurement gives clues to cardiovascular risk.
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D001916:Brachial Artery / Q000503:physiopathology*; D006348:Cardiac Surgical Procedures / Q000379:methods; D002318:Cardiovascular Diseases / Q000175:diagnosis* / Q000503:physiopathology*; D005500:Follow-Up Studies; D019918:Heart Valve Prosthesis Implantation; D006801:Humans; D011237:Predictive Value of Tests; D012039:Regional Blood Flow; D018570:Risk Assessment; D014664:Vasodilation