Cardiac Anatomy

Question 1

SA and AV nodes are supplied by what artery?

Answer 1

Right Coronary Artery

Question 2

Infarct to RCA can lead to what complication?

Answer 2

Bradycardia or Heart Block

Question 3

What does right dominant circulation mean?

Answer 3

Posterior Descending Artery arises from RCA

Question 4

Coronary Artery occlusion most commonly occurs in what artery?

Answer 4

Left Anterior Descending Artery

Question 5

What is the distribution of the LAD?

Answer 5

supplies anterior 2/3 of the interventricular septum and anterior surface of left ventricle

Question 6

What does left dominant circulation mean?

Answer 6

Posterior Descending Artery arises from LCX

Question 7

What is the distribution of PDA?

Answer 7

supplies posterior 1/3 of inter ventricular septum and posterior walls of ventricles

Question 8

What supplies the papillary muscle? (2 arteries)

Answer 8

LAD and PDA

Question 9

Enlargement of what part of the heart leads to dysphagia?

Answer 9

Left Atrium

Question 10

Enlargement of what part of the heart leads to hoarseness?

Answer 10

Left Atrium

Question 11

What are the layers of the pericardium from outer to inner?

Answer 11

Fibrous Pericardium
Parietal Layer of Serous Pericardium
Visceral Layer of Serous Pericardium

Question 12

Where is the pericardial cavity?

Answer 12

between parietal and visceral layers of the pericardium