Funny turns Cardiac.
D000368:Aged; D001145:Arrhythmias, Cardiac / Q000139:chemically induced / Q000175:diagnosis; D004562:Electrocardiography; D005260:Female; D006331:Heart Diseases / Q000175:diagnosis*; D006801:Humans; D008297:Male; D008875:Middle Aged; D010138:Pacemaker, Artificial / Q000009:adverse effects; D012804:Sick Sinus Syndrome / Q000175:diagnosis; D013575:Syncope / Q000175:diagnosis / Q000209:etiology; D013614:Tachycardia, Paroxysmal / Q000175:diagnosis