A member asked:

Is it true that a build-up of fluid in the lungs will result in a reduced amount of oxygen in the blood returning to the heart?

4 doctors weighed in across 3 answers

Edema: In general your statement is correct.

Answered 6/22/2013

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Dr. Rick Koch answered

It depends on: How much fluid build up we are talking about.

Answered 6/22/2013

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Dr. John Garner answered

Specializes in Cardiology

If Bad Enough: The lungs have remarkable capacity to overcome problems with what we'd call "gas exchange", but if enough of the lung tissue is taken out of the picture (eg by being covered in fluid) then yes, the amount of oxygen brought back to the heart will definitely fall.

Answered 12/4/2020

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