心尖肥厚型心肌病(AHCM)是由Sakamoto或Yamaguchi等人于1976年首先报告的,是原发性肥厚型心肌病的一种特殊类型,常不伴有左室流出道梗阻和压力阶差,心肌肥厚主要局限于左室乳头肌水平以下的心尖部,临床称之为心尖肥厚型心肌病(AHCM)。其发病率低,男性多发,且发病年龄晚。AHCM患者临床上可无症状和体征,部分患者有心悸、气短、胸闷和胸痛,以及心功能减退等症状,胸痛严重者 Cardiac apical hypertrophic cardiomyopathy (AHCM), first reported by Sakamoto or Yamaguchi et al in 1976, is a special type of primary hypertrophic cardiomyopathy and is often not associated with left ventricular outflow tract obstruction and pressure gradient, Cardiac hypertrophy is confined mainly to the apex of the left ventricular papillary muscle level, clinically known as apical hypertrophic cardiomyopathy (AHCM). Its incidence is low, multiple men, and the onset of age late. AHCM patients clinically asymptomatic and signs, some patients have heart palpitations, shortness of breath, chest tightness and chest pain, and heart failure and other symptoms, severe chest pain were