Pneumothorax: Features

Key points

• Pneumothorax: features Risk factors
• pre-existing lung disease: COPD, asthma, cystic fibrosis, lung cancer, Pneumocystis pneumonia
• connective tissue disease: Marfan's syndrome, rheumatoid arthritis
• ventilation, including non-invasive ventilation
• catamenial pneumothorax is the cause of 3-6% of spontaneous pneumothoraces occurring in menstruating women. It is thought to be caused by endometriosis within the thorax Symptoms tend to come on suddenly. Features include: