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Pediatric Echocardiography
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Library:
Fetal CHD Image Library
Lesion:
Hypoplastic Left Heart Syndrome (HLHS)
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Atrial Septum
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Atrial Septum
Fetal HLHS
Atrial Septum
Aortic Arch
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2D Echo
Color Doppler
Color Compare
Color Compare
Color Doppler
Spectral Doppler
Spectral Doppler
Spectral Doppler
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A septum
Pulm V
LA
RA
Hypoplastic Left Heart Syndrome (HLHS)
Restrictive atrial septum which bows towards the right atrium
Dilated pulmonary veins
Hypoplastic Left Heart Syndrome (HLHS)
Restrictive atrial septum which bows towards the right atrium
Only a small amount of turbulent left to right shunting (blue flow) is noted across the atrial septum
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Labels
LA
RA
A Septum
Hypoplastic Left Heart Syndrome (HLHS)
Restrictive atrial septum which bows towards the right atrium
Only a small amount of left to right shunting (red flow) is noted across the atrium septum
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Labels
PFO
RA
LA
A Septum
Pulm V
Hypoplastic Left Heart Syndrome (HLHS)
Restrictive atrial septum which bows towards the right atrium
Only a small amount of left to right shunting (red flow) is noted across the atrium septum
Flow reversal noted in the pulmonary veins suggestive of a restrictive atrial septum
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Labels
Pulm V
Pulm V
TV
RV
RA
LA
LV
A Septum
Hypoplastic Left Heart Syndrome (HLHS)
Dilated pulmonary veins in fetus with a restrictive atrial septum
The atrial septum bows towards the right atrium
Hypoplastic Left Heart Syndrome (HLHS)
Spectral Doppler acoss the PFO in fetus with restrictive atrial septum
Demonstrates a restrictive flow pattern with a mean gradient of ~6 mmHg
Hypoplastic Left Heart Syndrome (HLHS)
Spectral Doppler in a pulmonary vein in fetus with restrictive atrial septum
Pulmonary vein flow reversal is noted (flow above baseline)
Forward to reverse VTI ratio is ~2.8 (9.6/3.4) consistent with a restrictive atrial septum
Forward to reverse VTI ratio <3 considered to be restrictive
Hypoplastic Left Heart Syndrome (HLHS)
Spectral Doppler in a pulmonary vein in fetus with restrictive atrial septum
Flow reversal in the pulmonary vein is noted (flow below baseline)
Forward to reverse VTI ratio is ~1:1 consistent with a severely restrictive atrial septum
Forward to reverse VTI ratio <3 considered to be restrictive
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This is HLHS atrial septum
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