|Classification and external resources|
|Specialty||Critical care medicine|
An air embolism, also known as a gas embolism, is an embolism or blood vessel blockage caused by one or more bubbles of air or gas in the circulatory system. Air embolisms may also occur in the xylem of vascular plants, especially when suffering from water stress.
Divers can suffer from arterial gas embolisms. Venous gas embolisms usually get blocked by the lungs and so rarely cause a problem.