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现已查明过去认为左室肥厚伴心内膜下心肌梗塞的部分病例,其实并无冠状动脉粥样硬化,而是心尖部明显肥厚的心尖肥厚型心肌病。临床表明,本病男性多见。年龄23～71岁,平均49岁。主诉多有心前区疼痛、呼吸困难、心悸和易疲劳等。体查:心尖搏动明显,全部病例均可听到Ⅱ级收缩期杂音,20%病例有第3心音,多数病例心胸比例在50%以下。一般认为此病的预后良好。心电图所见:QRS高电压(R_(v5)+S_(v)≥35mm),左胸导联V_(4-6)ST波降低和10mm以上的巨T倒置
Has been identified in the past that left ventricular hypertrophy with subendocardial myocardial infarction in some cases, in fact, no coronary atherosclerosis, but apical hypertrophic apical hypertrophic cardiomyopathy. Clinical shows that the disease more common in men. Age 23 ~ 71 years old, average 49 years old. Prone to more complaints in front of heart pain, difficulty breathing, heart palpitations and fatigue. Physical examination: significant apical beating, all cases can hear Ⅱ systolic murmur, 20% of cases have the third heart sound, the majority of patients with less than 50% of the mind. Generally believed that the prognosis of the disease is good. ECG seen: QRS high voltage (R_ (v5) + S_ (v) ≥ 35mm), left chest lead V_ (4-6) ST wave reduction and giant T-10mm above the inverted