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Arteriovenous Bubbles Following Cold Water Sport Dives: Relation to Right-to-left Shunting
Neurol 55:1741-1743, Gerriets,T.,et al, 2000
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Article Abstract
Neurologic injury subsequent to decompression from diving may be due to paradoxical arterialization of venous gas emboli. Of 40 foramen ovale (PFO), arterial gas emboli were detected in 7 of 13 dives, which resulted in venous bubbles. In f ive of these seven dives, there was evidence of a PFO by contrast transcranial Doppler sonography, indicating an increased risk of arterializing venous bubbles in divers with a PFO.
 
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decompression sickness
echocardiogram
echocardiogram,contrast
neurocardiology
patent foramen ovale
right-left cardiac shunt
risk factors
scuba diving

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