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child with cyanosis
blood is flowing back frm left ventricle to left atrium..
n also frm rt ventricle to aorta..
wat is the defect?
a)TOF
b)PDA
c)VSD wt ASD
d)Transpositon of grt arteries

dd

dd

dd
rt ventricle to aorta ....

kindly explain

TOF

in TOF there is over riding of the aorta n also the vsd...so the right to left shunt exists...n so the cyanosis...
also due to the stenotic pulmonic valve..the pressure in ventricle increases..thus back flow to the atrium...