新生儿期先天性心脏病 (先心病 )复杂畸形较年长儿多见 ,临床表现常不典型 ,急诊发生率高 ,病死率高 ,故早期诊断、早期治疗十分重要。1　新生儿先心病的诊断1.1　主要临床表现　依发生频率排在前几位的主要是心脏杂音、青紫、呼吸急促和心力衰竭 ,其次还有苍白、肢软、声音嘶 Neonatal congenital heart disease (congenital heart disease) complex deformities more common in older children, often atypical clinical manifestations, the high incidence of emergency, high mortality, it is early diagnosis and early treatment is very important. 1 neonatal diagnosis of congenital heart disease 1.1 The main clinical manifestations according to the frequency of occurrence of the top few are heart murmur, bruising, shortness of breath and heart failure, followed by pale, limb soft, hoarseness