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Decompression Illness and PFO

SCUBA divers who suffer from decompression illness are extremely likely to have a Patent Foramen Ovale (PFO) or Atrial Septal Defect (ASD).

How do I know if I have a PFO?

As it turns out, the most accurate and non-invasive way to test for a hole in the heart is not to look at heart, but to look at the brain!

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