A newborn presents with delay of the femoral pulse compared to the radial pulse. What cardiac condition does this indicate?
Coarctation of the Aorta (CoA)Abnormalities of arterial pulses can indicate significant cardiac anomalies. Significant delay or even absence of the femoral pulse, compared to the radial pulse, indicates CoA.
Delayed femoral pulses compared to radial pulses can indicate coarctation of the aorta (CoA) in a newborn. CoA is a congenital heart defect in which the aorta narrows at some point, usually near the point where the ductus arteriosus inserts. This narrowing causes increased resistance to blood flow and may limit blood flow to the lower body, resulting in weaker femoral pulses. Meanwhile, blood flow to the upper body remains normal, with stronger radial pulses. CoA can lead to hypertension, heart failure, and other complications if left untreated, making it important to identify and manage early.
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