Left atrial impulse formation in atrial flutter.
D000328:Adult; D000368:Aged; D001282:Atrial Flutter / Q000175:diagnosis*; D004562:Electrocardiography; D006333:Heart Failure / Q000150:complications; D006801:Humans; D008297:Male; D008875:Middle Aged; D008946:Mitral Valve Stenosis / Q000150:complications