What is the primary reason for slightly tilting a pregnant patient to the left when immobilized on a backboard?

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Multiple Choice

What is the primary reason for slightly tilting a pregnant patient to the left when immobilized on a backboard?

Late in pregnancy, lying flat can let the enlarged uterus press on the inferior vena cava, which reduces venous return to the heart and lowers uteroplacental blood flow. Tilting slightly to the left shifts the uterus away from the IVC, improving venous return and cardiac output, which in turn enhances placental perfusion and fetal oxygen delivery. On a backboard, this is achieved by elevating the right hip or placing a small wedge to create a gentle leftward tilt. While other effects might be perceived, the main benefit is safer maternal circulation and better uteroplacental perfusion.

Late in pregnancy, lying flat can let the enlarged uterus press on the inferior vena cava, which reduces venous return to the heart and lowers uteroplacental blood flow. Tilting slightly to the left shifts the uterus away from the IVC, improving venous return and cardiac output, which in turn enhances placental perfusion and fetal oxygen delivery. On a backboard, this is achieved by elevating the right hip or placing a small wedge to create a gentle leftward tilt. While other effects might be perceived, the main benefit is safer maternal circulation and better uteroplacental perfusion.

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