Chronic Ventilatory Failure Flashcards
1
Q
Pathophysiology
A
Elevated PCO2
PO2 < 8 kPa
Elevated Bicarbonate
2
Q
Aetiology
A
Airways disease - COPD, bronchiectasis
Respiratory Muscle weakness - motor neurone disease
Chest wall abnormalities - kyphoscoliosis
3
Q
Symptoms
A
Shortness of breath Orthopnoea Ankle swelling Morning headache Recurrent chest infections Ankle oedema
4
Q
Investigations
A
Lung function
Hypoventilation assessment - such as early morning ABG, overnight oximetry
5
Q
Treatment
A
Non Invasive ventilation - at home
Oxygen therapy
