Respiratory Failure Zhang Xiao-ming Dept pathophysiology
1 Respiratory Failure Zhang Xiao-ming Dept. pathophysiology
男性.50岁,患喘息性支气管炎30年.三年来 常下肢浮肿三天前因受凉发煷咳嗽加重咳 黄痰.当日上午患者神志恍惚嗜睡.查:T38℃ 颈静脉充盈,肝大.双下肢凹陷性水肿,血气分 *T: pH7. 29, PaCo2 107kPa80mmHg), PaO2 7.33kPa(55mmHg).BE-5mmo血清钾 5.5mmol/L
2 男性, 50岁, 患喘息性支气管炎30年, 三年来 常下肢浮肿. 三天前因受凉发烧, 咳嗽加重, 咳 黄痰. 当日上午患者神志恍惚, 嗜睡. 查: T 38℃, 颈静脉充盈, 肝大, 双下肢凹陷性水肿. 血气分 析: pH7.29, PaCO2 10.7kPa(80mmHg), PaO2 7.33kPa(55mmHg). BE -5mmol/L血清钾 5.5mmol/L
ANATOMY OF THE LUNG Bronchi raced Capillari Back to Heart Blood From The Heart Intrapleural g space Alveolus
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RESPIRATION 4 distinct mechanisms. Ventilation Gas exchange J External respiration ansport of oxygen and carbon dioXide in the Internal respiration
4 RESPIRATION 4 distinct mechanisms: Ventilation Gas exchange External respiration Transport of oxygen and carbon dioxide in the blood Internal respiration
The Process of External Respiration PiO2 159mmHg Pulmonary ventilation PO, 102mImHg PCO, 40m/mH Pulmonary gas exchange Pao,40mmHg PaCo246mmHg PvO2 100mmHg Pv CO 40mmHs g
5 The Process of External Respiration Pulmonary gas exchange PiO2 159mmHg PAO2 102mmHg PACO2 40mmHg Pulmonary ventilation PaO2 40mmHg PaCO2 46mmHg PvO2 100mmHg PvCO2 40mmHg