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Ask the Expert: What exactly is a patent foramen ovale (PFO) and has it been known to cause stroke?

Dr. Larry Weinrauch
Dr. Larry Weinrauch
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Cardiovascular Internist

Dr. Larry Weinrauch is a board-certified Internist specializing in...

Dr. Larry Weinrauch

Thursday, September 20, 2007
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For the patient unfortunate enough to have a PFO discovered after a stroke, the size of the PFO and the options need to be discussed with a cardiologist who is experienced in these matters. I often hear that a neurologist suggested such a procedure for various reasons such as prevention of migraines, headaches of other kinds, loss of cognitive function and stroke. Such thinking requires an appropriate second opinion and is not the province of the non specialist.

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