Left anterior descending aery is a branch of: (A) Ascending aoa, (B) Right coronary aery, (C) Left coronary aery, (D) Circumflex aery
Answer is C. Ascending aoa Right coronary aery Left coronary aery SA Nodal aery AV Nodal Aery Posterior Interventricular Aery (PIVA) Anterior Interventricular Aery (AIVA) OR Left anterior descending aery Circumflex Aery AIVA supplies the anterior 2/3rd of interventricular septum PIVA supplies the posterior 1/3rd of interventricular septum