title: Significance of systolic murmurs in the aged.
mesh_terms: D000368:Aged; D000375:Aging / Q000502:physiology; D000680:Amyl Nitrite; D000787:Angina Pectoris / Q000503:physiopathology; D001021:Aortic Valve / Q000503:physiopathology*; D001024:Aortic Valve Stenosis / Q000175:diagnosis / Q000503:physiopathology; D006332:Cardiomegaly / Q000503:physiopathology; D002339:Carotid Arteries; D004562:Electrocardiography; D005260:Female; D006326:Heart Auscultation; D006333:Heart Failure / Q000503:physiopathology; D006339:Heart Rate / Q000187:drug effects; D006801:Humans; D008297:Male; D008875:Middle Aged; D009203:Myocardial Infarction / Q000503:physiopathology; D010701:Phonocardiography; D011674:Pulse
chemical_list: D000680:Amyl Nitrite