Obstructive hypertrophic cardiomyopathy with left-sided cardiac failure: improvement after verapamil treatment.
D000368:Aged; D002312:Cardiomyopathy, Hypertrophic / Q000188:drug therapy*; D006801:Humans; D008297:Male; D011669:Pulmonary Wedge Pressure; D014700:Verapamil / Q000627:therapeutic use*
D014700:Verapamil