Ch 9 ASDs (not on midterm)

Question 1

Sinus venosus ASDs can be located nearby the ___. Select all correct answers

Answer 1

IVC + SVC

Question 2

Which ASD is caused by excessive resorption of the primum septum?

Answer 2

Ostium secundum ASD

Question 3

Ostium primum defects cannot be closed percutaneously (through transcatheter procedures). True or False

Answer 3

True

Question 4

What lesion are sinus venosus ASDs commonly associated with?

Answer 4

Anomalous pulmonary vein drainage

Question 5

A hemodynamically significant LT to RT shunt will have a Qp:Qs ratio of what?

Answer 5

> 1.5:1

Question 6

Although sometimes difficult to image in TTE, this image depicts a sinus venosus ASD. True or False

Answer 6

True

Question 7

Located in the area of the fossa ovalis, this clip depicts what type of ASD?

Answer 7

Secundum ASD

(zoomed in clip of IAS)

Question 8

Located in the area of the fossa ovalis, this clip depicts what type of problem with the IAS?

Answer 8

PFO

(unsure what view this clip is)

Question 9

Located closest to the AV valves, this image depicts which type of ASD?

Answer 9

Ostium primum

Question 10

Ostium secundum is the most common type of ASD. True or False

Answer 10

True

Question 11

What echo measurements are required to calculate a Qp:Qs? (Keep in mind the right sided ones need to match. Select all correct answers)

Answer 11

-2D diameter of RVOT
-VTI of RVOT

-2D diameter of LVOT
-VTI of LVOT

(no Vmax)

Question 12

The type of ASD located in the area of the fossa ovalis is?

Answer 12

Ostium secundum defect