COVID-19 Pandemic: Do you need to wear a face mask? How effective are face masks in protecting us from the spread of COVID-19? In this article, we evaluate the efficacy and importance of face masks amidst COVID-19 pandemic.
Pneumothorax also known as collapsed lung occurs when air is trapped in the pleural space. Trapped air causes a loss of negative pressure in the pleural cavity, reduces surface tension, and induces the lungs to collapse. There are 3 types of Pneumothorax or collapsed lungs: 1) Spontaneous 2) Traumatic, and 3) Tension Pneumothorax.
In this lesson, we learn the different types of pneumothorax (collapsed lung) and important terminology. USMLE
Moosmosis 
