下列不是慢性支气管炎并发肺气肿时的X线表现的是（） ["胸廓扩张、活动度减弱","两肺多发性空洞","两肺透亮度增加","两肺纹理增粗","横膈低平"]
左房肥大的心电图特点是（） ["P波高尖","P波增宽呈双峰型","P波振幅≥0.25mV","P波振幅≥0.25mV，又呈双峰型","高大的P波以Ⅱ、Ⅲ导联最突出"]
肛裂
腹膜刺激征
右心房肥厚、扩张时，心电图表现错误的是（） ["P波尖而高耸","P波振幅≥0.25mV","P波高尖以Ⅱ、Ⅲ及aVF最为突出","P波宽度<0.11s","高尖的P波，称为“二尖瓣P波”"]
Murphy征
