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![Stroke and PFO](https://static.wixstatic.com/media/34d93a_a91efb8b5d274f89afab0a6b5a22ad13~mv2.jpg/v1/fill/w_454,h_341,fp_0.50_0.50,q_90,enc_auto/34d93a_a91efb8b5d274f89afab0a6b5a22ad13~mv2.webp)
Dr Ross Sharpe
Stroke and PFO
Up to 40% have unknown causes. This can be due to a PFO in 60% of cases. We now refer to these cases as “PFO-related stroke".
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![Decompression Illness and PFO](https://static.wixstatic.com/media/ec0c9e_76dc4251321644809550c86f7055cfd8~mv2.jpg/v1/fill/w_454,h_341,fp_0.50_0.50,q_90,enc_auto/ec0c9e_76dc4251321644809550c86f7055cfd8~mv2.webp)
Dr Ross Sharpe
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).
![](https://static.wixstatic.com/media/ec0c9e_76cdeacd186a4dc3947449c80c663733~mv2.jpg/v1/fill/w_250,h_250,fp_0.50_0.50,q_30,blur_30,enc_auto/ec0c9e_76cdeacd186a4dc3947449c80c663733~mv2.webp)
![Migraine and PFO link](https://static.wixstatic.com/media/ec0c9e_76cdeacd186a4dc3947449c80c663733~mv2.jpg/v1/fill/w_454,h_341,fp_0.50_0.50,q_90,enc_auto/ec0c9e_76cdeacd186a4dc3947449c80c663733~mv2.webp)
Dr Ross Sharpe
Migraine and PFO link
Our studies show that for some people, a cardiac condition, known as a PFO, is a major contributing factor to migraine with aura.
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