自发性气胸致下壁异常Ｑ波、阶梯样电交替一例周津明患者，男性，６１岁，因胸闷、咳嗽、气促一周，胸痛、呼吸困难一小时入院。既往有慢支，肺气肿、肺结核病史，无高血压、冠心病史，入院时查体发现左侧气胸（后胸片证实）。心电图为窦性心津，Ｐ－Ｐ间期０．６４秒，心... Spontaneous pneumothorax caused by abnormal wall Q waves, step-like alternative to a case of Zhou Jinming patients, male, 61 years old, due to chest tightness, cough, shortness of breath for one week, chest pain, difficulty breathing one hour admission. Previous chronic bronchitis, emphysema, history of pulmonary tuberculosis, no hypertension, history of coronary heart disease, admitted to the hospital examination found pneumothorax (posterior chest film confirmed). Electrocardiogram for sinus tachycardia, P-P interval 0.64 seconds, heart ...