成年型甲状腺功能减退症（甲减）多数起病隐袭，发展缓慢，症状往往涉及全身各脏器，其首发症状者多无特异性，许多老年病人常因心电图呈心肌缺血样改变而误诊为冠心病。我院１９９３年１月～１９９７年９月共误诊２４例，现分析如下。１　临床资料１．１　一般资料　男４例， Adult hypothyroidism (hypothyroidism) most of the insidious onset, the development of slow, the symptoms often involve the various organs of the body, the first symptom of those more non-specific, many elderly patients often due to myocardial ischemia-like ECG changes were misdiagnosed For coronary heart disease. Our hospital from January 1993 to September 1997 were misdiagnosed 24 cases, are analyzed as follows. 1 Clinical data 1.1 General Information 4 cases of male,