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Pediatrics · Cardiology
Sample itemWhat type of lesion is a ventricular septal defect?
Original practice item, not a recalled exam question. Nothing here is recorded.
The answer and the reasoning
A. Acyanotic left-to-right shunt
A ventricular septal defect usually creates a left-to-right shunt because systemic left-ventricular pressure exceeds right-ventricular pressure, increasing pulmonary blood flow.
Option by option
A. Acyanotic left-to-right shunt (correct)
Correct: VSD is initially a left-to-right acyanotic shunt.
B. Valvular infection
VSD is structural, not valvular infection.
C. Cyanotic right-to-left shunt always
Right-to-left shunting develops only in advanced reversal physiology.
D. Coronary aneurysm
Coronary aneurysm is a different vascular condition.
Source note: Original NextPrep sample item — pending expert review. This item is original practice material awaiting independent expert review, so confirm important facts in a standard textbook.