This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: C.V.S., Subject name: Pediatrics
Eisenmenger's syndrome--True are all except: 
Select and explain. 
A. Pulmonary veins are not distended, B. RV and LV walls come back to normal size, C. Dilatation of central pulmonary artery, D. Peripheral pruning of pulmonary arteries
B: RV and LV walls come back to normal size
Answer: B: RV and LV walls come back to normal size 
Explanation: b. RV and LV walls come back to normal size(Ref: Nelson's 20/e p 2242, Ghai 8/e p 428)In Eisenmenger syndrome, irreversible pulmonary vascular obstructive changes occur;There is mainly pulmonary arterial hypertension, so pulmonary veins are not distendedBecause of pulmonary hypertension, right ventricular hypertrophy occursChest X Ray shows that pulmonary vessels are enlarged in the hilar areas and taper rapidly in caliber in the peripheral branches (peripheral pruning).