CHD Flashcards
Right atrial isomerism
Associations
Midline liver
Anomalous pulmonary venous return
Asplenia
CXR in PAPVR
RAE, RVE, increased pulmonary vascular markings
What is the tetralogy type VSD
Perimembranous infundibular
Which VSDs associated with AR
Supracristal commonly
Perimembranous occasionally
Which VSD most likely to close spontaneously
Small trabecular
Which VSDs do not close spontaneously or get smaller
Inlet and infundibular
Indication for VSD closure straight away
Qp:Qs greater than 2:1
CHF and growth retardation not responding to maximal med therapy
Large VSD and increasing PVR
ECG in VSD
Small
Moderate
Large
PVOD
Normal
Moderate- LAH, LVH
Large- BVH, LAH
Purely RVH in PVOD
Continuous murmur
Ddx
PDA (ULSE) Coronary AV fistula (praecordium) Systemic AV fistula (murmur over fistula) Pulmonary AV fistula (back, cyanosis, clubbing, no cardiomegaly) Venous hum Collaterals VSD + AR To and fro after Tet repair Aortopulmonary window
ECG in complete ECD
Superior axis
RVH
RBBB
+/- LVH
Most have prolonged PR interval
Superior axis on ECG
Primum ASD ECD Noonan TA Ebsteins (+ deficient RV forces)
PS
Most common location for stenosis
Post stenotic dilation seen with which level of PS
Heart sounds
Valvular (90%)
Valvular
Click in valvular
Widely split S2
Quiet P2
Murmur radiates to back and axillae
Louder and longer more severe
Most common cause of valvular AS
Bicuspid ao valve
Supravalvular AS associated with…
Williams syndrome
Coanda effect
Patients with supravalvular AS have higher BP in right arm due to jet of stenosis directed into inominate artery
Ross procedure
Pulmonary valve replaces aortic valve
Homograft pulmonary valve
Proportion of CoA with BAV
85%
CoA
Sx in infancy
ECG
CHF Renal failure Loud gallop Thready pulses No murmur
Shows RVH and RBBB rather than LVH
Type A interrupted arch
Distal to left subclavian artery (30%)
Type B interrupted arch
Between left common carotid and left subclavian
(43%)
50% have 22q11.2 deletion syndrome
Type C interrupted arch
Between inominate and left carotid
Almost all have PDA and VSD