Olinger Angiology (cardiac)

Question 1

Ascending Aorta branches

Answer 1

R. Coronary A.

L. Coronary A.

Question 2

R. Coronary A. gives off the

Answer 2

Sinoatrial Nodal A. (60% of the time, the other 40% it comes off the circumflex branch of the left coronary a.)

Conus branch (supplies conus ateriosus)
Atrial branch (supplies R. Atrium)
Right Marginal A. (travels along the inferior border of the heart) 
Atrioventricular Nodal A. (supplies atrioventricular node)
Posterior Interventricular A. (travels along the posterior aspect of the heart between R/L ventricles

Question 3

Anterior Intercostal A.

Answer 3

comes from the internal thoracic artery

Question 4

What are the two sources of the intercostal a?

Answer 4

aorta and internal intercostal