Could BiPAP Cause Air in the Right Atrium?

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Air embolism refers to the entry of air into the venous or arterial system via direct conduction and pressure difference.The most common causes are iatrogenic, and are observed to be related to surgical and invasive procedures.The consequences of air embolisms depend on the air volume and the velocity of air entry.The clinical presentations may vary from asymptomatic course to shock.Emergency treatments include the provision of hemodynamics, oxygen support and positioning, and hyperbaric oxygen therapy in selected cases.In the present study we investigate the cause of the development of a venous air embolism in a patient on bilevel positive airway pressure (BiPAP) ventilation at home due to chronic respiratory failure and resorption in the short term without hyperbaric oxygen therapy.