Clinically Relevant Anatomy of the Heart

Question 1

Where is the needle inserted in pericardiocentesis?

Answer 1

Via infrasternal angle and directed superoposteriorly

Question 2

Where is the transverse pericardial sinus?

Answer 2

Lies posterior to the ascending aorta and pulmonary trunk

Question 3

What groove is the right coronary artery found in?

Answer 3

Coronary groove

Question 4

What groove is the left anterior descending artery found in?

Answer 4

Anterior interventricular groove

Question 5

Where is the coronary sinus found?

Answer 5

Posterior aspect of atrioventricular groove

Question 6

What branch is does the right coronary artery give off?

Answer 6

Right marginal artery

Question 7

What branches does the left coronary artery give off? (from medial to lateral)

Answer 7

LAD artery (branches to give lateral and medial branches)
Left marginal artery
Circumflex artery

Question 8

What happens when there is a septal defect?

Answer 8

There can be mixing of arterial and venous blood (hypoxaemia)

Question 9

Describe the blood flow of blood from the superior and inferior venae cavae

Answer 9

Blood enters RA from SVC and IVC
Blood is moved into RV through tricuspid valve
Blood is pumped to lungs through pulmonary valve and pulmonary artery

Question 10

Describe the blood flow of blood from the pulmonary veins

Answer 10

Blood enters LA via pulmonary veins
Blood is moved into RV via mitral valve
Blood is pumped to rest of the body through aortic valve and aorta