Figure 6: A Left oblique view of a heart with TOF and pulmonary atresia. The LAD arises anomalously from the RCA and emerges from behind the RV-PA conduit (Conduit) to reach the anterior interventricular groove. B- Frontal view with the RV and RV-PA conduit (Conduit) opened showing the LAD arising from the RCA and then disappearing behind the posterior wall of the conduit.