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Air embolism in the brain a 42-year-old man with leukemia and fungal pneumonia (panel A) with was in a respirator after acute respiratory failure. Suddenly he coughed up blood and went into cardiac arrest. He was resuscitated, but CT-scan (panel B) showed a large amount of air in the blood vessels of the brain (air embolism). Cardiac resuscitation and mechanical ventilation (perhaps combined with the lung infection) were the likely cause of the air embolism in this patient.

Air embolism is a medical condition characterized by an air/gas bubble or bubbles in the bloodstream, which cause a variety of problems ranging from blockage of blood supply to organs, stroke like symptoms, and possible cardiac arrest if it reaches the heart. The primary causes for air embolism othe…

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