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Figure 4: Origin of the LAD from the RCA crossing the right ventricular outflow tract. (a) High parasternal short-axis view. The enlarged proximal RCA supplies the LAD. (b) Leftward angled parasternal long-axis view profiling the right ventricular outflow tract (infundibulum) free wall. The LAD is seen in cross-section approximately 7 mm below the pulmonary valve[25] and 52-year-old male, status post TOF repair. (c) Anomalous origin of the LAD from the right coronary cusp (arrowhead). (d) The anomalous LAD courses anterior to the RVOT (arrows). (reproduced with permission from Kapur S, Aeron G, Vojta CN. Pictorial review of coronary anomalies in Tetralogy of Fallot. J Cardiovasc Comput Tomogr. 2015 Nov-Dec; 9(6):593-6.). A: Anterior, AoV: Aortic valve, Inf: Infundibulum, L: Left, LAD: Left anterior descending coronary artery, MPA: Main pulmonary artery, RCA: Right coronary artery, R/S: Right/superior, RVOT: Right ventricular outflow tract

Figure 4: Origin of the LAD from the RCA crossing the right ventricular outflow tract. (a) High parasternal short-axis view. The enlarged proximal RCA supplies the LAD. (b) Leftward angled parasternal long-axis view profiling the right ventricular outflow tract (infundibulum) free wall. The LAD is seen in cross-section approximately 7 mm below the pulmonary valve<sup>[25]</sup> and 52-year-old male, status post TOF repair. (c) Anomalous origin of the LAD from the right coronary cusp (arrowhead). (d) The anomalous LAD courses anterior to the RVOT (arrows). (reproduced with permission from Kapur S, Aeron G, Vojta CN. Pictorial review of coronary anomalies in Tetralogy of Fallot. J Cardiovasc Comput Tomogr. 2015 Nov-Dec; 9(6):593-6.). A: Anterior, AoV: Aortic valve, Inf: Infundibulum, L: Left, LAD: Left anterior descending coronary artery, MPA: Main pulmonary artery, RCA: Right coronary artery, R/S: Right/superior, RVOT: Right ventricular outflow tract