Duration: 10 weeks. This training program is designed to prepare you for a 10K event. Whether you are new to 10K training or have a time goal in mind, this program will get you there.
Lesson Summary. Pneumothorax is a collapsed lung due to gas in the pleural space of the chest. It can be open (air leaking in from outside via puncture) or closed (chest wall intact). The three major types of pneumothorax are: Spontaneous pneumothorax, which occurs suddenly or for no distinguishable reason.
A severe type of pneumothorax can occur in people who need mechanical assistance to breathe. The ventilator can create an imbalance of air pressure within the chest. The lung may collapse completely. Risk factors. Risk factors for a pneumothorax include: Your sex. In general, men are far more likely to have a pneumothorax than are women. Smoking.