Component of Fallots tetralogy is
The four components of the tetralogy of Fallot are malaligned VSD, obstruction to RV outflow, aoic override of the VSD, and RV hyperophy due to the RV's response to aoic pressure the large VSD. ( Harrison&;s principle of internal medicine,18th edition,pg no. 1926)
Left axis detion
Left ventrucular hyperophy
VSD
Blalock taussig shunt is between pulmonary aery & subclan aery
C.V.S