Pulmonary Vascular Diseases

Question 1

What is pulmonary edema

Answer 1

Accumulation of fluid in the lung
– Interstitium
– Alveolar spaces
Causes a restrictive pattern of disease

Question 2

Causes for pulmonary edema

Answer 2

1. Haemodynamic ( hydrostatic pressure)
2. Due to cellular injury
i. Alveolar lining cells
ii. Alveolar endothelium

Localised – pneumonia
Generalised – adult respiratory distress syndrome
(ARDS)

Question 3

Causes for increase pulmonary venous pressure

Answer 3

• Left ventricular failure
• Mitral stenosis
• Mitral incompetence

Initially compensated by lymphatic drainage