常見(jiàn)例句Abstract：Objective To investigate the diagnostic value of Crochetage pattern R wave of inferior leads for secundum atrial septal defect (ASD). 摘要：目的 探討小兒心電圖下壁導(dǎo)聯(lián)鉤形R波對(duì)繼發(fā)孔型房間隔缺損的診斷價(jià)值。 返回 crochetage