A member asked:

Can pfo cause low oxygen levels while exercise. my oxygen levels drops down to about 88 while i am walking, then at rest it goes up to 98?

A doctor has provided 1 answer

It can: It can but it shouldn't. Talk to your cardiologist. PFO tend to be small and under low pressure so when you exercise it should not effect things as much. Sometimes there is a pressure reversal and this is not a good sign since it can mean weakening of the heart.

Answered 11/26/2016

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Does low levels of oxygen impair you ablity to walk straight?

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