Coexistent aortic and subaortic stenosis.
D001024:Aortic Valve Stenosis / Q000150:complications*; D002302:Cardiac Output; D002312:Cardiomyopathy, Hypertrophic / Q000150:complications* / Q000175:diagnosis; D003937:Diagnosis, Differential; D003951:Diagnostic Errors; D006334:Heart Function Tests; D006801:Humans; D007545:Isoproterenol; D008722:Methods
D007545:Isoproterenol