L To R Shunt Flashcards
1
Q
VSD
A
May remain asymptomatic
Large: LV overload / HF
2
Q
ASD
A
Wide and fixed S2 splitting Symptom: none to HF Missing septal tissue (foramen ovale: unfused septal tissue) Lead to paradoxical amboli Associated with Down syndrome
3
Q
PDA
A
Progressive RVH/ LVH/HF Continious machine like murmur Patency is maintained by PGE and low O2 End by indomethacin Differential cyanosis : lower extremities
4
Q
Eisenmenger
A
Uncorrected shut vsd asd pda
Pulmonary arterial HTN
To compensate: RVH: shunt becomes r to l
Late cyanosis : clubbing and polycythemia