肥厚型心肌病(Hypertrophiccardiomyopathy,HCM),又称主动脉瓣下肌性狭窄(Mus‐cularsubaorticstenosis,MSS)、肥厚梗阻型或非梗阻型心肌病、特发性肥厚性主动脉瓣下狭窄(Idiopathichypertrophicsubaortics。IHSS)、非对称性室间隔肥厚(Asymmetricsep‐talhypertrophy,ASH)等。室性与室上性心律失常可用异搏定及胺碘酮,有作者认为胺碘酮对本病室性与室上性心律失常最为有效,亦有主张与β受体阻滞剂合用, ......