Congenital Heart Disease - Septal Defects Flashcards
1
Q
the 4 types of ASDs
A
Primum, secundum, PFO, sinus venosus
2
Q
Most common ASD
A
Secundum
3
Q
What can ASD lead to?
A
RT heart overload
4
Q
Compare & contrast PFO/ASD
A
PFO: small, winding path thru flap
ASD: large, straight jet
5
Q
Most common VSD
A
Membranous VSD
6
Q
VSD shunts blood from …..
A
LT to RT
7
Q
LV to RA shunt
A
Gerbode VSD
8
Q
Another name for AVSD
A
Endocardial cushion defect
9
Q
Malformation of the endocardial cushion at the crux of the heart, primum ASD, inlet VSD, common AV valve
A
Complete AVSD
10
Q
Primum ASD, cleft in the AMVL, distinct MV & TV
A
incomplete AVSD
11
Q
What is Qp/Qs?
A
Qp = pulmonary volume Qs = systemic volume (thru Ao)
12
Q
Qp/Qs=?
A
=Pulmonary SV/Systemic SV
13
Q
Normal Qp/Qs
A
1
14
Q
What Qp:Qs ratio signifies a hemodynamically significant stenosis?
A
> 1.5 : 1
15
Q
Shunt direction switched to RT to LT
A
Eisenmenger’s Syndrome
