Blood gas analysis and acid-basic disorder Department of internal medicine Chen Yu
Blood gas analysis and acid-basic disorder Department of internal medicine Chen Yu
Blood Gas Analysis Arterial blood >Sea level (101.3kPa,760mmHg) Quiet Anti-coagulate blood Inspire air (Whether O2 supply)
Blood Gas Analysis ➢ Arterial blood ➢ Sea level (101.3kPa, 760mmHg) ➢ Quiet ➢ Anti-coagulate blood ➢ Inspire air (Whether O2 supply)
Clinical Significance To evaluate respiratory failure type I or type II To evaluate acid-basic disorder
Clinical Significance ➢To evaluate respiratory failure type Ⅰ or type Ⅱ ➢To evaluate acid-basic disorder
How to evaluate respiratory failure? PaO2: Arterial blood oxygenic partial pressure. Normal:95-100mmHg (12.6-13.3kPa) Estimate formula of age: Pa02=100mmHg-(age×0.33)士5mmHg
How to evaluate respiratory failure? PaO2 : Arterial blood oxygenic partial pressure. Normal: 95-100mmHg (12.6-13.3kPa) Estimate formula of age: PaO2=100mmHg-(age×0.33) ±5mmHg
Hypoxia Mild:80-60mmHg Mediate:60-40mmHg Severe:<40mmHg
Hypoxia ➢Mild: 80-60mmHg ➢Mediate: 60-40mmHg ➢Severe: <40mmHg