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What is Figure of 8 in Chest X-ray is seen in and explain in detail?
Ans. is 'a' i.e. TAPVC TAPVC (Total anomalous pulmonary venous connection) is of two types-Non-obstructive type andObstructive typeX-rav features ofNon obstructive type TAPVCCardiomegaly with plethoric lung fields*Snowman or figure of 8'appearance*Obstructive type TAPVCNormal sized heartGround glass appearance of lung due to severe pulmonary venous hypertension *