１临床资料患者男性，３５岁。１个月前无明显诱因出现咳嗽、胸闷，咯少量白痰，痰中偶带血丝。在当地医院按“上呼吸道感染”治疗，效果欠佳。１０天前到本院就诊，门诊Ｘ线胸片示“大量心包积液”，Ｘ线透视提示心尖搏动位于心影内。近１周来胸闷症状加重，以“心包积液... 1 Clinical data Patient Male, 35 years old. One month ago there was no obvious cause of coughing, chest tightness, and a small amount of white diarrhea, occasionally with bloodshot sputum. In the local hospital, the treatment of “upper respiratory tract infection” was ineffective. 10 days ago to the hospital for treatment, outpatient X-ray shows “a lot of pericardial effusion,” X-ray fluoroscopy prompted apical pulse in the heart shadow. In the past 1 week, the symptoms of chest tightness have worsened, with "pericardial effusion ...