In the typical fetal heart orientation, which chamber is most posterior?

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Study for the ARRT Ultrasound Test. Utilize flashcards and multiple choice questions, each question includes hints and explanations. Prepare effectively for your exam!

Multiple Choice

In the typical fetal heart orientation, which chamber is most posterior?

Explanation:
In typical fetal heart orientation, the left atrium sits closest to the spine, making it the most posterior chamber. This is because the pulmonary veins drain into the left atrium from the posterior aspect, so the left atrium forms the heart’s posterior surface. The right atrium and right ventricle sit more toward the front, while the left ventricle forms the apex and left border. So the left atrium is the chamber furthest posterior.

In typical fetal heart orientation, the left atrium sits closest to the spine, making it the most posterior chamber. This is because the pulmonary veins drain into the left atrium from the posterior aspect, so the left atrium forms the heart’s posterior surface. The right atrium and right ventricle sit more toward the front, while the left ventricle forms the apex and left border. So the left atrium is the chamber furthest posterior.

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