Angiology - Olinger

Question 1

If there is an obstruction in the coronary arteries, what surgical procedure can be necessary for the patient? What vessels would you use for this?

Answer 1

A coronary artery bypass graft could be necessary.

The great saphenous vein is used most of the time; the radial artery can also be used.

Question 2

What procedure can be used to flatten plaque that is obstructing blood flow in the coronary artery?

Answer 2

A coronary angioplasty - insert a small balloon catheter into the lumen of the coronary artery and inflate it to flatten the plaque, allowing increased blood flow

Question 3

What is a pulmonary embolism?

Answer 3

Obstruction of a pulmonary artery by an embolus (e.g. blood clot, fat globule, or air bubble) –> an embolus typically passes thru right side of heart into the pulmonary arteries

Question 4

What is the primary blood supply to the pericardium and the thoracic diaphragm? What vessel does this artery arise from?

Answer 4

Pericardiacophrenic artery – arises from the subclavian artery

Question 5

List the immediate branching sequence of arteries coming off of the arch of the aorta on the RIGHT side

Answer 5

Arch of aorta –> brachiocephalic trunk –> right subclavian artery AND right common carotid artery

Question 6

List the immediate branching sequence of arteries coming off of the aortic arch on the LEFT side

Answer 6

Arch of aorta –> left common carotid a. AND left subclavian a.

Question 7

List the branches that coming off of the subclavian artery and what they supply

Answer 7

Vertebral artery (head and neck)
Internal thoracic artery (breasts) --> superior epigastric artery
Pericardiacophrenic artery (pericardium and thoracic diaphragm)
Musculophrenic artery (7-9th intercostal spaces and thoracic diaphragm)