CV Anatomy

Question 1

1st left intercostal space

Answer 1

aorta

Question 2

1st right intercostal

Answer 2

SVC

Question 3

2nd left intercostal

Answer 3

top of left margin of heart

Question 4

2nd right intercostal

Answer 4

SVC

Question 5

3rd left intercostal

Answer 5

left auricle/atrium

Question 6

3rd right intercostal

Answer 6

SVC, top of right atrium

Question 7

4th left intercostal

Answer 7

left ventricle

Question 8

4th right intercostal

Answer 8

right atrium

Question 9

5th left intercostal space

Answer 9

right ventricle (inferior border of heart)

Question 10

behind manubrium

Answer 10

aortic arch (lower part of manubrium) and left brachiocephalic (above aortic arch)

Question 11

RCA branches to..

Answer 11

behind aorta to SA node, down in acute marginal branch, posterior in posterior descending artery (in right dominant)

Question 12

LCA branches to..

Answer 12

LAD going down, circumflex goes around the heart, obtuse marginal branch

circumflex gives off PDA in left dominant

Question 13

RCA supplies

Answer 13

RA, RV, SA node, AV node, IA septum

Question 14

LCA supplies

Answer 14

most of: LA, LV, IV septum

AV bundle/branches

Question 15

coronary sulcus

Answer 15

AV sulcus, divides A ad V

Question 16

anterior and posterior IV sulci

Answer 16

divide ventricles

Question 17

cardiac plexus

Answer 17

collection of sympathetic/para nerves at bifurcation of trachia superior to heart

Question 18

referred pain

Answer 18

CNS perceives visceral heart pain for T1-T4 dermatome pain