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周围循环衰竭常見于外科疾病,如失血、創伤及烧伤之后。今就內科最常遇到的几种周围循环衰竭作一简要討論。周围循环衰竭与心力衰竭不同,前者之发病原因是末梢血管发生功能障碍所致;后者是因心肌本身收縮力減低所引起。两者临床表現亦很不相同,今将二者的临床鉴别要点列表如下: 一、病因及发病机制 1.循环血量減少: (1)脫水:这是夏季最常遇見的情形,凡屬摄入量不足,大量出汗,胃腸道吸收障碍,严重腹泻或呕吐均能造成脫水。脫水包括电解質的丧失,并且它
Circulatory failure around the common surgical diseases, such as blood loss, trauma and after burn. Here are some of the most commonly encountered medical circulatory failure around a brief discussion. Around the circulatory failure and heart failure is different from the incidence of the former due to peripheral vascular dysfunction caused by the latter due to reduced myocardial contractility. The clinical manifestations of the two are very different, the clinical diagnosis of the two are as follows: First, the etiology and pathogenesis 1. Reduction of circulating blood volume: (1) dehydration: This is the most common case of summer, Inadequate intake, large amounts of sweating, gastrointestinal absorption disorders, severe diarrhea or vomiting can cause dehydration. Dehydration includes the loss of electrolytes, and it