bicuspid av
DESCRIPTION
Fig 24. Bicuspid AV. Parasternal long axis view demonstrating eccentric valve closure in a patient with a bicuspid aortic valve; note the aortic root is dilated as well. Parasternal short axis view of aortic root; a bicuspid aortic valve can be identified within the aortic root. . - PowerPoint PPT PresentationTRANSCRIPT
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Bicuspid AV
Parasternal long axis view demonstrating eccentric valve closure in a patient with abicuspid aortic valve; note the aortic root is dilated as well.
Parasternal short axis view of aortic root; a bicuspid aortic valve can be identified within the aortic root.
Fig 24
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Bicuspid aortic valve causing aortic stenosis
Parasternal long axis view in a patient with abicuspid aortic valve, demonstrating thickenedvalve leaflets.
Doppler colour flow demonstrating the proximal acceleration and distal flow disturbance.
Fig 25
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Bicuspid aortic valve with AR
Parasternal long axis view in a patient with abicuspid aortic valve, demonstrating thin butdoming aortic valve leaflets.
Doppler colour flow demonstrating the aortic valve regurgitation during diastole.
LV LVAo
RV
LA
Ao
LA
Fig 26
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Congenital AS
Parasternal longaxis and short axis view showing a congenital aortic stenosis causingby a possible unileaflet aortic valve. The valve leaflet itself looks dysplastic.
LV
RV
AoAo
Fig 27
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Sub AS
a
b
c
LV
RV
Ao LA
LV
vsd
RV
a:Apical five chamber view demonstrating a sub-aortic ridge.b:Colour flow Doppler showing turbulent flow start from sub-aortic area and a shunt through a VSD.c: Continuous Doppler trace from the LVOT showing a peak velocity of 4.2 m/s
Fig 28
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Sub aortic stenosis
3D imagines demonstrating a sub-aortic fibrio-muscular ring
LV Ao
Fig 29
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Small Aortic Root
Parasternal long-axis view of a fibromuscular subaortic tunnel. The aortic root itself is also small
Colour Doppler demonstrate mild aortic regurgitation
Fig 30