What does ventriculoarterial concordance refer to?

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What does ventriculoarterial concordance refer to?

Ventriculoarterial concordance means the ventricles connect to their intended great arteries: the left ventricle pumps into the aorta and the right ventricle pumps into the pulmonary artery. This normal arrangement keeps systemic and pulmonary circulations in series without mixing. So the correct concept is that the aorta arises from the left ventricle and the pulmonary artery arises from the right ventricle. The idea of the great arteries arising in parallel from the atria describes a different, non-VA-concordant situation, not what this term denotes. Similarly, the other options describe discordant or atypical connections that do not reflect concordance.

Ventriculoarterial concordance means the ventricles connect to their intended great arteries: the left ventricle pumps into the aorta and the right ventricle pumps into the pulmonary artery. This normal arrangement keeps systemic and pulmonary circulations in series without mixing.

So the correct concept is that the aorta arises from the left ventricle and the pulmonary artery arises from the right ventricle. The idea of the great arteries arising in parallel from the atria describes a different, non-VA-concordant situation, not what this term denotes. Similarly, the other options describe discordant or atypical connections that do not reflect concordance.

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