Assessing the atrial septum
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Transcript of Assessing the atrial septum
Assessing the atrial septum
Ho et al, Mosby-Wolfe 1995
(secundum defect)
Fig 1
Secundum ASD
Apical four chamber view demonstrating a large secundum atrial septal defect
Fig 2
Subcostal four chamber view of same patientconfirming a left to right shunt at atrial level
Secundum ASD
3D image of secundum ASD and image during transcatheter occlusion
Fig 3
TOE secundum ASD
LA
RA
Transesophageal longitudinal view of the atria demonstrating an ostium secundum defect.
Colour flow image from the same view demonstrating left-to-right shunting across the ASD
Fig 4
Primum ASD
LARA
LV
RV
Apical four chamber view demonstratinga primum atrial septal defect
Colour Doppler flow image from same view illustrating left-to-right shunt across the primum atrial septal defect
Fig 5
Parasternal short axis view demonstrating tri-leaflet left atrioventricular valve in a patientwith a primum atrium septal defect
Fig 6
Primum ASD
Subcostal four chamber view demonstrate an large primum atrialseptal defect which is located at the low part of normal atrial septum and the junction with atrioventricular valve.
LA
RA
RV
LV
Fig 7
Primum ASD repaired
Apical four chamber view of patient with aprimum ASD repair. Note the thickened left AV valve leaflet and markedly dilated left atrium
Colour Doppler flow mapping of the same patient demonstrating severe left AV valve regurgitation.
LV
LA
Fig 8
SVC type ASD• Apical four chamber view
showing a sinus venous defect of the superior vena caval type
Fig 9
SVC type ASD (TOE)
Transesophageal longitudinal view of the atria demonstrating a sinus venousus defect of the superior vena caval type.
SVC
LA
RA
Colour flow image from the same view demonstrating left-to-right shunting across the ASD
Fig 10
Sinus venousis ASD (SVC type)
Transesophageal longitudinal view of the atria demonstrating a sinus venosus defect of the superior vena caval type.
Fig 11