Cardio - Anatomy Flashcards Preview

USMLE (S1) Cardiovascular > Cardio - Anatomy > Flashcards

Flashcards in Cardio - Anatomy Deck (13)
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1
Q

What are the three structures located inside the carotid sheath?

A

The internal jugular Vein, the common carotid Artery, and the vagus Nerve (remember the Mnemonic VAN)

2
Q

What is the spatial relationship among the three structures located inside the carotid sheath?

A

The internal jugular vein is lateral, the common carotid artery is medial, and the vagus nerve is posterior

3
Q

An enlarged left atrium can cause which noncardiac symptoms?

A

Dysphagia due to compression of the esophageal nerve and hoarseness due to compression of the recurrent laryngeal nerve

4
Q

What is the most posterior part of the heart?

A

The left atrium

5
Q

Which coronary artery is most commonly occluded?

A

The left anterior descending artery, which supplies the interventricular septum

6
Q

In what part of the cardiac cycle do the coronary arteries fill?

A

Diastole

7
Q

In most cases, the sinoatrial and atrioventricular nodes are supplied by which coronary artery?

A

The right coronary artery

8
Q

The right coronary artery supplies the posterior septum via which coronary artery?

A

The posterior descending artery

9
Q

If the right coronary artery supplies the inferior portion of the left ventricle via the posterior descending artery is the heart right or left dominant?

A

Right dominant

10
Q

A patient has a myocardial infarction that damages the anterior interventricular septum and the apex. Which coronary artery was occluded?

A

The left anterior descending artery

11
Q

The posterior descending artery that supplies the posterior septum arises from the circumflex artery in _____ (20%/50%/80%) of cases.

A

20%; this is a left-dominant heart

12
Q

Which coronary artery supplies the posterior left ventricle?

A

Circumflex artery

13
Q

Which coronary artery supplies the right ventricle?

A

Acute marginal artery (from the right coronary artery)