Peds CV

Question 1

3 shunts in fetal blood?

Answer 1

Ductus venosus liver
Foramen ovale
Ductus arteriolus from PA to aorta

Question 2

What closes ductus arteriosus

Answer 2

decrease PGE (after oxygen!) which is why careful with NSAIDs

Keep it open if cyanotic

Question 3

Non cyanotic heart defects are what?

Answer 3

L To RIGHT (makes sense)

Question 4

VSD h and P?

Tx?

Answer 4

RESP INFECTIONS and may have failure to thrive or be small

Dx with Echo

Tx: follow small defects
IF LARGE SHUNTS: Diuretics, ACE inhibitor or repair

Question 5

Wide fix S2?

Answer 5

ASD

If minor, no treat
Tx needs antibiotic before surgery if 2x pulm flow as system flow

Question 6

PDA risk factor?

Answer 6

Prematurity. Rubella. Prostaglandin admin

Question 7

PDA H and P?

Answer 7

may have poor feeding or sweating with feeds

TX com IN and CLOSE the door.
Indomethacin closes it

Question 8

Most common congee heart defect?

Answer 8

VSD

Question 9

Ebstein is what from what?

Answer 9

RA is big, RV is small, tricuspid regurg/sten and PFO

Question 10

Tet is what?

Answer 10

Pulm stenosis, VSD, RVH, overriding aorta

IHOP

Question 11

Risk factors for TET?

Answer 11

Same for TGA:

Any trisomy, or Cri-du-chat

Question 12

Tet H&P

Answer 12

Squatting to increase peripher vasc resistance to make L to R shunt

Question 13

Tx for Tet?

Answer 13

PGE for PDA
O2
Propranolol (prevent hypertrophy or something)
IV fluids
Morphine
Surgical correction if symptoms

Question 14

Total Anomolous Polmary Venous Return

Answer 14

Pulm veins return to circulation of right heart

Closed loop, so need shunt to keep alive!!!!

Question 15

Endocarial cushion defect

Answer 15

Complete defect is single AV canal

Incomplete resembles ASD
Tx is surgery

Question 16

6 week old with MI on ECG is from what?

Answer 16

Anomolous origin of Left main artery from pulm artery and not aorta