It depends: The operations vary depending on where the hole is and what other problems the patient might have. Usually, the hole is closed. This is usually done by covering it with a patch, but not always. To do this, blood has to be rerouted away from the heart and lungs to the cardiopulmonary bypass machine, which pumps blood and exchanges gases like oxygen and carbon dioxide.
Answered 1/23/2014
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A doctor has provided 1 answer
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