一、临床诊断1.具有肺出血原发病和高危因素 :窒息缺氧、早产和 (或 )低体重 ,低体温和 (或 )寒冷损伤、严重原发疾病 (败血症、心肺疾患 )等。2 .症状和体征 :除原发病症状与体征外 ,肺出血可有下列表现 :( 1)全身症状 :低体温 ,皮肤苍白 ,发绀 ,活动力低下 ,呈休克状态 ,或可 First, the clinical diagnosis 1. With primary pulmonary hemorrhage and risk factors: asphyxia hypoxia, premature birth and (or) low body weight, hypothermia and (or) cold injury, severe primary disease (sepsis, cardiopulmonary disease) and so on. 2. Symptoms and signs: In addition to the primary symptoms and signs, pulmonary hemorrhage may have the following manifestations: (1) systemic symptoms: hypothermia, pale skin, cyanosis, low activity, was shocked, or