It is called arterial gas embolism .
<h3>Arterial gas embolism </h3>
A blockage of blood supply caused by air bubbles in a blood vessel or the heart.
Causes of an air embolism include trauma, surgery and decompression sickness, the latter of which affects deep-sea divers.
Breathing difficulty, chest pain and confusion are symptoms.
Treatments include hospital care, oxygen, removing air from the heart and a high-pressure chamber.
High-pressure oxygen therapy
People with arterial gas embolism are immediately made to lie down and given oxygen. They must be returned as soon as possible to a high-pressure environment, so that the air bubbles are compressed and forced to dissolve in the blood. Many medical centers have high-pressure (recompression or hyperbaric) chambers for this purpose.
Flying, even at a low altitude, reduces atmospheric pressure and allows bubbles to expand further, but it can be justified if it saves substantial time in getting people to a suitable chamber. If possible, people should fly in a plane pressurized to sea level, or the plane should fly at as low an altitude as is consistent with safety. Breathing oxygen is also recommended.
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