急性良性心包炎多见于三、四十岁的成人,与性别无关或可能男性较多。春秋二季发病率高。约50％病人都是先有咽痛流涕、咳嗽、发热等感冒样症状,接着出现胸痛。胸痛患者可感到心前区锐利的刺痛,在呼吸、咳嗽、吞咽时加重,因而可误诊为胸膜炎。事实上不单有心包炎,也可合并胸膜炎。疼痛有时向两肩放射,单凭疼痛这一点亦可误诊为急性心肌梗死。心包摩擦音是诊断上重要的物理检查证据,见于71％或100％的病人。本例在发病10天后出现,有的可持续20天左右。有少量纤维蛋白渗出 Acute pericarditis is more common in adults aged 30 and 40, and may not be related to gender or may be more men. Spring and autumn season high incidence. About 50% of patients are the first sore throat, cough, fever and other flu-like symptoms, followed by chest pain. Patients with chest pain can feel sharp tingling in the anterior precinct, exacerbating breathing, coughing, and swallowing, which can be misdiagnosed as pleurisy. In fact, not only pericarditis, pleurisy can also be combined. Pain sometimes radiates to both shoulders, but pain alone can be misdiagnosed as acute myocardial infarction. Pericardial fricatives are diagnostic evidence of significant physical examination found in 71% or 100% of patients. In this case after the onset of 10 days, and some sustainable 20 days. A small amount of fibrin exudation