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. 2010 Sep-Oct;21(5):286–288.

Fig. 1.

Fig. 1.

The left circumflex artery is not seen in various views in conventional coronary arteriography. (A) The left circumflex artery is absent in this view (LAO 0ø, caudal 20ø). Note that the contrast in the left sinus of Valsalva does not indicate another possible ostium of the circumflex artery. (B) In this view the left anterior descending artery is clearly visualised (LAO 40ø, cranial 20ø). (C) This view is taken from LAO 0ø and cranial 40ø. Again only the left anterior descending artery is seen. (D) The right coronary artery continues in the posterior atrio-ventricular groove and terminates in the left atrial branch. The superdominant right coronary artery (LAO 0ø cranial 0ø). LAO : left anterior oblique.