title: [Arrhythmia as the chief complaint and its mechanism of development].
mesh_terms: D000368:Aged; D001007:Anxiety / Q000150:complications; D001145:Arrhythmias, Cardiac / Q000150:complications / Q000209:etiology; D004417:Dyspnea / Q000150:complications; D004487:Edema / Q000150:complications; D005221:Fatigue / Q000150:complications; D006339:Heart Rate; D006801:Humans; D008297:Male; D008875:Middle Aged; D010146:Pain; D012131:Respiratory Insufficiency / Q000150:complications; D012640:Seizures / Q000150:complications; D012769:Shock / Q000150:complications; D013575:Syncope / Q000150:complications; D014717:Vertigo / Q000150:complications