Radiology – MCQ 13 – Plethoric lung fields

Plethoric lung fields are seen in all of the following conditions, except:
a) Atrial septal defect (ASD)
b) TAPVC (Total Anomalous Pulmonary venous connection)
c) Ebsteins’ anomaly
d) Ventricular septal defect

Correct answer : c) Ebsteins’ anomaly

Plethoric lung fields are seen in conditions which increase pulmonary blood flow. They are:

  • Left to right shunt – ASD, VSD, PDA, Coronary artery fistula into right heart, Aortopulmonary window
  • Transposition of great arteries with ASD or VSD
  • Truncus arteriosus
  • Total anomalous pulmonary venous connection


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