Closing a Hole in Your Heart

If no other reason for a stroke can be found, sealing off a patent foramen ovale (PFO) is recommended to prevent a second stroke.

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Before we are born, a hole between the upper chambers of our heart called a foramen ovale allows oxygenated blood to circulate until we have working lungs. Usually, this hole seals over naturally in the first few weeks of life. But in about 25% of us, the hole remains open (patent). Most of us will […]
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