Which finding should the nurse anticipate in an infant with coarctation of the aorta?A) Higher right ventricular pressure than left ventricular pressure B) Lower blood pressure in the lower extremities than the upper extremities C) Higher blood pressure in the upper extremities than the lower extremities D) Higher blood pressure in the left arm tan the right arm
A) Higher right ventricular pressure than left ventricular pressure
B) Lower blood pressure in the lower extremities than the upper extremities
C) Higher blood pressure in the upper extremities than the lower extremities
D) Higher blood pressure in the left arm tan the right arm
B) Lower blood pressure in the lower extremities than the upper extremities
Explanation: A) The infant with coarctation of the aorta will have high left ventricular pressures and low systemic pressures, especially in the legs, where the pressures are usually 10-15% lower than those in the upper extremities.
B) The infant with coarctation of the aorta will have high left ventricular pressures and low systemic pressures, especially in the legs, where the pressures are usually 10-15% lower than those in the upper extremities.
C) The infant with coarctation of the aorta will have high left ventricular pressures and low systemic pressures, especially in the legs, where the pressures are usually 10-15% lower than those in the upper extremities.
D) The infant with coarctation of the aorta will have high left ventricular pressures and low systemic pressures, especially in the legs, where the pressures are usually 10-15% lower than those in the upper extremities.
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