A 74 year-old man presents to the clinic with a complaint of palpitation and lightheadedness. Image studies revealed blockage of the artery to the SA node.
This artery arises from which of these arteries?
A-Left coronary artery
B-Right coronary artery
C- Circumflex artery
D-Anterior interventricular artery
E-Posterior interventricular artery
Answer
This artery arises from which of these arteries?
A-Left coronary artery
B-Right coronary artery
C- Circumflex artery
D-Anterior interventricular artery
E-Posterior interventricular artery
Answer