A呼吸困难

呼吸困难 ,[object Object],[object Object],[object Object]

定义 ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

[ 病因 ] ,[object Object],[object Object],[object Object],[object Object],[object Object]

[ 发生机制及临床表现 ] ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

图示空气（氧）肺心血

1. 肺源性呼吸因难 ,[object Object],[object Object],[object Object],[object Object],[object Object]

[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

肺性呼吸困难的发生机制呼吸系统疾病导致通气、换气功能障碍缺 O 2 和（或） CO 2 ↑

类型时像特点病因吸气性吸气吸气时间延长、呈三凹征上气道梗阻呼气性呼气呼气时间延长、哮鸣音下呼吸道阻塞肺泡弹性减弱混合性吸气与呼气 BS 异常，病理性呼吸音换气功能障碍肺源性呼吸困难临床分类

三凹征胸骨上窝锁骨上窝肋间隙

2 ．心源性呼吸困难 ,[object Object]

* 循环系统：各种原因导致的心力衰竭

左心衰竭呼吸困难机制 ,[object Object],[object Object],[object Object],[object Object],[object Object]

左心衰竭呼吸困难特点 ,[object Object],[object Object],[object Object]

夜间阵发性呼吸困难 ,[object Object],[object Object],[object Object],[object Object]

右心衰竭体循环淤血 ,[object Object],[object Object],[object Object],[object Object]

3 ．中毒性呼吸困难 ,[object Object],[object Object],[object Object]

酸中毒性大呼吸（ Kussmaul 呼吸） ,[object Object],[object Object],[object Object]

4 ．神经精神性呼吸困难 ,[object Object],[object Object],[object Object]

[object Object],[object Object],[object Object],[object Object],神经精神性呼吸困难

5 ．血液病 ,[object Object],[object Object]

血液病 ,[object Object],[object Object],[object Object]

[ 问诊要点 ] ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

[ 伴随症状 ] ,[object Object],[object Object],[object Object],[object Object],[object Object]

伴随症状与疾病 ,[object Object],[object Object],[object Object],[object Object],[object Object]

[object Object],[object Object],[object Object],[object Object],[object Object]

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