Congenital Heart Disease

Question 1

What are the 5 types of ASD?

Answer 1

ostium primum

ostium secondum

sinus venosus

coronary sinus

common atrium

Question 2

Where is the ostium primum ASD located?

Answer 2

inferior portion of the IAS

Question 3

Where is the ostium secondum ASD located?

Answer 3

mid-portion of the IAS

Question 4

Where is the sinus venous ASD located?

Answer 4

superior portion of the IAS near junction of SVC and RA

Question 5

Where is the coronary sinus ASD located?

Answer 5

inferior septal area close to coronary sinus

Question 6

What is a common atrium ASD?

Answer 6

near or total absence of IAS

Question 7

What is the Qp/Qs ratio?

Answer 7

compares pulmonary blood flow to systemic blood flow to determine direction and severity of shunt

Question 8

When the Qp/Qs ratio is >1…

Answer 8

left to right shunt

Question 9

When the Qp/Qs ratio is <1…

Answer 9

right to left shunt

Question 10

Qp/Qs equation:

Answer 10

(.785(RVOTdiameter^2)(RVOTvti)) / (.785(LVOTdiameter^2)(LVOTvti))

Question 11

What is eisenmenger syndrome?

Answer 11

left to right shunt causes damage to the heart, pressure in RA becomes higher than in LA and shunt reverses right to left