多发肌炎是以侵犯骨骼肌为主的自身免疫性疾病,可引起心肌炎、心包炎,心电图常呈现非特异性ST-T改变,引起广泛导联的“冠状”T波却属罕见。现报告一例。 患者男,24岁,平素体健,无烟酒嗜好。因发热伴全身肌肉酸痛无力二个月,于1991年10月24日入院。体检:体温37.4℃,脉搏90次/分,血压13/8kPa,呼吸平稳,皮肤无红肿,无淤斑淤点及皮下结节,两侧三角肌有压痛,浅表淋巴结未及,两肺清,心界不大,心率90次/分,律齐,心尖 Polymyositis is an autoimmune disease that mainly affects the skeletal muscle. It can cause myocarditis, pericarditis and ECG. Non-specific ST-T changes often occur in ECG. The “coronary” T waves that cause extensive leads are rare. Now report a case. Male patient, 24 years old, usually healthy, non-smoking alcohol hobby. Due to fever with muscle weakness two months, was admitted to hospital on October 24, 1991. Physical examination: body temperature 37.4 ℃, pulse 90 beats / min, blood pressure 13 / 8kPa, smooth breathing, no skin redness, no ecchymosis and subcutaneous nodules, deltoid muscle tenderness on both sides, superficial lymph nodes and lung clearance , Little heart, heart rate 90 beats / min, law Qi, apical