respiratory insufficiency It is a condition in which respiratory function is inadequate to meet body 's needs during exertion However, respiratory failure does so in rest a kind of respiratory insuficiency a severe respiratory insufficiency
7 respiratory insufficiency: It is a condition in which respiratory function is inadequate to meet body’s needs during exertion. However, respiratory failure does so in rest. a kind of respiratory insufficiency a severe respiratory insufficiency
Classification 1. According to blood gas 1) type I (hypoxemic RF) Pao2 <60 mmHg(8.0kpa) 2)type I(hypercapnic RF) Pao2 <60 mmHg(. 0kpa) with PaCo2, >50 mmHg(6.67 kpa)
8 Classification 1. According to blood gas: 1) typeⅠ(hypoxemic RF) : PaO2 <60 mmHg (8.0kpa) 2) type Ⅱ (hypercapnic RF) : PaO2 <60 mmHg (8.0kpa) , with PaCO2 >50 mmHg(6.67kpa)
2. According to primary site central peripheral 3. According to duration acute chronic
9 2. According to primary site central peripheral 3. According to duration acute chronic
Section 1 Causes and pathogenesis of respiratory failure
10 Section 1 Causes and pathogenesis of respiratory failure
Pathogenesis of RF Disorders of external respiratory function pulmonary ventilation disturbance pulmonary gas exchange disturbance
11 • Pathogenesis of RF: Disorders of external respiratory function pulmonary ventilation disturbance pulmonary gas exchange disturbance