Diagnosis and Management of Acute Respiratory Failure - Pathofysiology of Acute Respiratory Failure - Hypercapnia
4 important questions on Diagnosis and Management of Acute Respiratory Failure - Pathofysiology of Acute Respiratory Failure - Hypercapnia
Treatment of decreased Vt or respiratory rate
- Reversal of sedation or drugs
- Intubation/mechanical ventilation to rest fatigued muscles (myasthenia gravis, Guillan Barré, old age)
- Respiratory stimulants
- other causes..
Causes of increased dead space (Vd) (4)
- Hypovolemia
- Pulmonary embolism
- Poor CO
- Regional airway pressure> regional perfusion pressure = reduced pulmonary blood flow
What is a strategy to reduce dead space in intubated patients?
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How can you treat hypercapnia in intubated patients?
Downside of increasing the respiratory rate is hyperinflation ( expiration time is too short )
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