title: Effort syncope in aortic stenosis: electrocardiographic correlate of ischemic conduction disturbance.
mesh_terms: D000368:Aged; D001024:Aortic Valve Stenosis / Q000150:complications*; D002303:Cardiac Output, Low / Q000209:etiology; D004562:Electrocardiography; D005260:Female; D006327:Heart Block / Q000209:etiology*; D006329:Heart Conduction System / Q000503:physiopathology; D006801:Humans; D005082:Physical Exertion; D013575:Syncope / Q000209:etiology*