Wide pulse pressure as an indicator of large left to right shunt – Medicine MCQ

Wide pulse pressure as an indicator of large left to right shunt is seen in?
A) Atrial septal defect
B) Ventricular septal defect
C) Patent ductus arteriosus
D) Partial anomalous pulmonary venous drainage

Correct answer: C) Patent ductus arteriosus

 patent ductus arteriosusPatent ductus arteriosus

Wide pulse pressure is noted in PDA because of the aortic run off – drainage of large volume of blood from the descending aorta at high pressure to the pulmonary artery at a low pressure.

Read more on indicators of large left to right shunts at: https://cardiophile.org/indicators-of-large-left-to-right-shunt/

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