His electrocardiogram during atrial stimulation in 50 patients with transient cerebral symptoms.
D001283:Atrioventricular Node / Q000503:physiopathology*; D002036:Bundle of His / Q000503:physiopathology*; D004562:Electrocardiography; D006327:Heart Block / Q000175:diagnosis*; D006329:Heart Conduction System / Q000503:physiopathology*; D006801:Humans; D009461:Neurologic Manifestations; D013575:Syncope / Q000209:etiology*