青紫是新生儿期的常见症状之一 ,它的出现常受到医生和护士的重视。引起青紫的原发病可能很轻微 ,也可能重至威胁生命。新生儿持续性中心性青紫时 ,病情常较快恶化 ,故快速作出诊断极为重要。新生儿青紫主要有四大原因 ,即 :紫绀型先天性心脏病 ;肺部疾病 ;持续肺动脉高压和伴? Cymbidium is one of the common symptoms of neonatal period, and its appearance often receives the attention of doctors and nurses. The primary cause of bruising may be mild or life-threatening. Neonatal persistent central purple, the disease often deteriorate rapidly, so the rapid diagnosis is extremely important. There are four main reasons neonatal purple, namely: cyanotic congenital heart disease; lung disease; persistent pulmonary hypertension and with?