Cardiac Angio

Question 1

Where do the R and L coronary arteries branch off of?

Answer 1

Ascending Aorta

Question 2

What are the branches of the R coronary A?

Answer 2

Anterior

1. sinuatrial nodal a.
2. conus branch
3. atrial branch
4. R marginal a.

wraps posterior:

1) right atrioventricular a.
2) right posterolateral a.
3) posterior interventricular a.

Question 3

What are the branches of the L coronary A?

Answer 3

Anterior interventricular a. 
-> diagonal a. 
circumflex a. (wraps posterior)
-> left marginal a. 
-> posterior Left Ventricular A.

Question 4

What vessels travel together in the Anterior interventricular groove?

Answer 4

anterior interventricular a. and great cardiac v.

Question 5

What vessels travel together near inferior border of heart?

Answer 5

right marginal a. and small cardiac v.

Question 6

What vessels travel together up and over the LA?

Answer 6

Circumflex a. and great cardiac v.

Question 7

What vessels travel together in the posterior interventricular groove?

Answer 7

posterior interventricular a. and middle cardiac v.

Question 8

What blood vessel(s) supply the Right Atrium?

Answer 8

atrial branch of the RCA

Question 9

What blood vessel(s) supply the SA Node?

Answer 9

-sinuatrial nodal of RCA (60%) OR circumflex of LCA (40%)

Question 10

What supplies the conus arteriosus?

Answer 10

-conus branch of RCA or anterior interventricular branches of LCA

Question 11

What supplies the right ventricle?

Answer 11

right marginal a.

Question 12

What supplies the left ventricle?

Answer 12

right posterolateral a. (RCA)

posterior left ventricular a. (of circumflex of LCA)

Question 13

What supplies the AV node?

Answer 13

atrioventricular nodal a. of RCA

Question 14

What supplies the IVS?

Answer 14

-interventricular septal branch of the anterior (RCA) and posterior (LCA) interventricular a.

Question 15

What supplies the Bundle of HIS?

Answer 15

anterior interventricular a. (LCA)

interventricular branches of anterior interventricular a. (LCA)

Question 16

What supplies the R/L bundle branches?

Answer 16

interventricular septal branches of anterior interventricular a. (LCA)

Question 17

Where does all lymph drain?

Answer 17

via thoracic duct and R lymphatic vessel into the RA vis SVC

Question 18

What structures are in the superior mediastinum?

Answer 18

thymus and great vessels

Question 19

What internal structures are located at T2-T4?

Answer 19

• Superior mediastinum (thymus & great vessels)

- inferior border is bottom T4 to sternal angle

Question 20

What internal structures are located at T5-T9?

Answer 20

heart

middle and anterior mediastinum

Question 21

What internal structures are located at T9-T12?

Answer 21

part of posterior beneath heart

Question 22

Where is the Apex of the heart located?

Answer 22

5th intercostal space

Question 23

What is the right side of the heart protected by?

Answer 23

sternum

Question 24

What does left dominant supply mean?

Answer 24

atrioventricular a. (LCA) proves most blood supply

Question 25

Where is the aortic valve located?

Answer 25

2nd intercostal space, right sternal margin

Question 26

Where is the tricuspid valve located?

Answer 26

5th intercostal space, left sternal margin

Question 27

Where is the pulmonary valve located?

Answer 27

2nd intercostal space left sternal margin

Question 28

Where is the bicuspid/mitral valve located?

Answer 28

5th intercostal space, left midclavicular line