Coronary circulation Flashcards

1
Q

Heart wall blood supply

A

Left and right coronary arteries (and their anastomosing branches)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Coronary artery origin

A

Left and right aortic sinuses of the ascending aorta

- posterior sinus is a non-coronary sinus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Two main sulci of the heart

A
  • Atrioventricular/coronary

- Interventricular

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Branches of right coronary artery

A
  • Right marginal artery

- Posterior/descending interventricular artery

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Branches of the left coronary artery

A
  • Left anterior interventricular/descending artery

- Circumflex artery

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Coronary artery anastomoses occur on which surface of the heart

A

Posterior

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Interventricular sulcus anastomoses

A
  • Anterior interventricular artery (of LCA)

- Posterior interventricular artery (of RCA)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Atrioventricular/coronary sulcus anastomoses

A
  • Circumflex artery (of LCA)

- Right coronary artery

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Layer of the heart the coronary artery’s lie in

A

Epicardium

- pierce the myocardium and give off branches that surround each cardiac muscle cell

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

The most commonly occluded artery

A

Anterior descending/interventricular artery (of LCA)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Anterior descending/interventricular artery supplies

A

Left ventricle
Right ventricle
Interventricular septum
Apex

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Posterior descending/interventricular artery supplies

A

Left ventricle
Right ventricle
Interventricular septum

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Circumflex artery (of LCA) supplies

A

Left ventricle

Left atrium

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Right coronary artery supplies

A

Right ventricle
Right atrium
SA and AV node

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Coronary sinus drains

A

Cardiac veins almost entirely drain into the coronary sinus.

Drains into the right atrium

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Great cardiac vein lies in

A

Anterior interventricular sulcus

- alongside anterior interventricular artery

17
Q

Middle cardiac vein lies in

A

Posterior interventricular sulcus

- alongside posterior interventricular artery

18
Q

Small cardiac vein lies in

A

Atrioventricular sulcus near the right inferior margin of the heart
- alongside right marginal artery

19
Q

Coronary sinus lies in

A

Atrioventricular sulcus on the posterior surface of the heart
- alongside the circumflex artery

20
Q

Anterior cardiac veins drain to

A

Directly into the right atrium of the heart

21
Q

Small veins drain the heart wall directly into each chamber

A

Venae cordis minimae