Respiratory failure Flashcards
Which mechanisms in lung disease contribute to hypoxemia?
Vent. - Perf. mismatch
Disturbed diffusion
Right - Left shunt
Total alveolar ventilation normal value
4L/min
Classification of respiratory failures
Partial (Type 1)
Global (Type 2)
Mixed (Type 3)
Partial respiratory failure definition
Induced by pulmonary disease
PaO2 < 60
PaCO2 < 46
Global respiratory failure definition
induced by pump failure
PaO2 < 60
PaCO2 > 46
Which diseases can lead to type 2 (Global) respiratory failure?
Chest deformity
Neuromacular disease
Reduced respiratory drive
SARS causes what respiratory failure?
1 and 3
pH indication for invasive mechanical ventilation
Worsening hypercapnia
Acidosis
pH < 7.25
WE divide respiratory failure into 2:
Partial- type I
Global- type II