Coronary/Pulmonary Circulation

Question 1

What are the structures from fetal to adult circulation?

Answer 1

foreamen ovale –> fossa ovale
ductus arteriosus –> ligamentum arteriosum
- oxygenated blood from placenta (skip lungs)

Question 2

What are the major coronary arteries?

Answer 2

right coronary – marginal artery
left coronary – circumflex, anterior interventricular, posterior interventricular

Question 3

What are the major coronary veins?

Answer 3

anterior cardiac veins (drain into right atrium)
small cardiac vein (drain into coronary sinus)
middle cardiac vein
great cardiac vein

Question 4

How do you treat coronary artery disease?

Answer 4

• use veins for bypass grafts to avoid blockages
• balloon inflated to expand stent

Question 5

What are the major parts of the aorta?

Answer 5

ascending, arch, descending (thoracic/abdominal)

Question 6

What are the branches of the ascending aorta?

Answer 6

left and right coronary arteries

Question 7

What are the branches of the arch of the aorta?

Answer 7

brachiocephalic trunk
- right common carotid + right subclavian artery

left common carotid
left subclavian artery

Question 8

What are the branches of the thoracic aorta?

Answer 8

posterior intercostal arteries
bronchial arteries
esophageal arteries
pericardial arteries

Question 9

What are the branches of the abdominal aorta?

Answer 9

celiac trunk
superior/inferior mesenteric arteries
inferior phrenic arteries
renal arteries
gonadal arteries
lumbar arteries

common iliac artery