The effect of carotid massage in older men.
D000367:Age Factors; D000368:Aged; D001145:Arrhythmias, Cardiac / Q000209:etiology; D002346:Carotid Sinus; D004562:Electrocardiography; D006331:Heart Diseases / Q000503:physiopathology; D006339:Heart Rate; D006801:Humans; D008297:Male; D008405:Massage / Q000009:adverse effects; D013575:Syncope / Q000209:etiology / Q000503:physiopathology