三房心是一种罕见的先天性心脏畸形,占先天性心脏病的0.1％,特征是左心房被分隔为一个真左房和一个副房。我们见到1例报告如下。患儿女性,6个月。因吮奶时呛咳、声音嘶哑3个月,呼吸急促、口唇青紫2天而入院。体检:P180次,R72次。心前区隆起,搏动弥散,心界扩大,心音低钝,奔马律,心尖区闻及Ⅱ级收缩期杂音。两肺散在细湿啰音。肝右肋下3cm,剑突下4cm。入院3小时心跳、呼吸突然停止。 Third heart is a rare congenital heart disease, congenital heart disease accounted for 0.1%, characterized by the left atrium is divided into a true left atrium and a secondary room. We see a report as follows. Children with children, 6 months. Choking cough due to sucking milk, hoarseness 3 months, shortness of breath, blue lips two days and admission. Physical examination: P180 times, R72 times. Anterior precinct uplift, pulsating dispersion, expansion of the heart, low heart sound dull, gallop, apex area smell and Ⅱ systolic murmur. Two lungs scattered in the wet rales. Liver right rib 3cm, xiphoid 4cm. Admitted 3 hours of heartbeat, breathing stopped suddenly.