Posts Tagged ‘right to left shunt in tof’

The right to left shunt  in TOF  occurs by  which of the the following route ?

  1. RV- VSD- LV -Aorta

  2. RV-  Aorta

  3. RV – VSD- Aorta

  4. All of the above can occur

    Answer : 2   Most shunting occur by direct streaming of RV blood into Aorta . If the aortic  override  is near 50 %  it need not even cross the VSD in it’s  circuit. (Although theoretically all of the above can occur)


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