Anatomy and Physiology

Question 1

The following structures are considered intrapericardiac
EXCEPT:
a. Main Pulmonary Artery
b. Ascending aorta
c. Proximal pulmonary veins
d. Portions of Vena Cave

Answer 1

c. Proximal pulmonary veins

Intrapericardial structures:
o Almost the entire ascending aorta
o main pulmonary artery
o portions of both venae cavae
o all four pulmonary veins (DISTAL)

Question 2

35 year-old female underwent mitral valve replacement with left
atrial plication. 2DED was done after the procedure which
showed isolated left atrial tamponade. What is the most likely
structure affected?
a. Transverse sinus
b. Oblique sinus
c. Coronary sinus
d. Sinus of Valsalva

Answer 2

b. Oblique sinus

Question 3

36 years old female, known case of ventricular septal defect who
presented at the ER with fever, and chills. Transesophageal
echocardiography was done which showed vegetation at the
anterior mitral valve leaflet with fistula noted between the LV and
LA. What is the most likely structure involved?
a. Transverse sinus
b. Right fibrous trigone
c. Intervalvular fibrosa
d. Left fibrous trigone

Answer 3

c. Intervalvular fibrosa