诊断呼吸困难.ppt

诊疗呼吸困难;呼吸困难定义;病 因;病因分类;一、呼吸系统疾病;二、循环系统;三、神经精神原因;;五、血液病;发生机制及临床表现;Dyspnea has been described as a synthetic sensation, like thirst or hunger that is the result of a complex interaction of signals arising from within the central nervous system, both from the automatic centers in the brain stem and from the motor cortex, and from a variety of receptors in the upper airway, lungs, and chest wall ;肺性呼吸困难 发生机制;;锁骨上窝;;;肺淤血加重 ;;（Kussmaul呼吸） ; ;;颅脑疾病——脑出血、脑膜炎… 感染性疾病——休克性肺炎 肺性脑病 代谢性疾病——糖尿病酮症酸中毒 尿毒症 中毒——CO, 苯巴比妥