Severity of cyanosis in fallot's physiology is best decided by?
--> Severity of TOF is: Directly propoional to severity of cyanosis & Inversely propoional to intensity & duration of murmur - which depends on degree of pulmonary stenosis
Size of V.S.D
Overriding of aoa
Degree of RVH
Degree of pulmonary stenosis
Tetralogy of Fallot