atrial septal defect Flashcards
1
Q
what happens
A
L to R shunt
- -> R sided overload and strain
- -> R heart failure and pulmonary hypertension
can lead to eisenmenger syndrome
2
Q
ostium secondum
A
septum secondum fails to fully close, leaving a hole in the wall
3
Q
ostium primum
A
septum primum fails to close
leads to AV valve defectd
4
Q
complications
A
stroke in context VTE AF pulmonary htn R sided heart failure Eisenmenger syndrome
5
Q
ASD - stroke in patient with DVT
A
DVT become embolus and instead of enterng lungs, it can move from R to L atrium through ASD
can then cause stroke
6
Q
patient with DVT that develops a stroke
A
see if have lifelong asymptomatic ASD
7
Q
features on ascultation
A
mid-systolic crescendo decrescendo murmur
fixed split S2
8
Q
presentation
A
picked up antenatally asymptomatic SOB poor weight gain LRTIs
9
Q
Mx
A
small - watchful waiting
correction - transvenous catheter closure or open surgery
10
Q
Mx - adults
A
anticoagulation to reduct risk clots and stroke