The structure the nurse is describing is the foramen ovale
The Patent Foramen Ovale (FOP) is a channel that allows communication between the right and left cavities of the heart, which is fundamental in the development of the baby during pregnancy. This channel usually closes after birth, and it may persist into adulthood in 20-30% of cases.
With this information, we can conclude that A patent foramen ovale (PFO) is a hole in the heart that didn't close the way it should after birth. The small flaplike opening is between the right and left upper chambers of the heart (atria).
Learn more about foramen ovale in brainly.com/question/6819491
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