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Chap 10 Part 1
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_____ ______ is a complication of Aortic Stenosis
Exertional Syncope
A-Fib is most common in pts with _____.
A.S
True/ False: Its crucial to look at both PG and AVA as decreased flow (stroke Volume) results in decreased PG.
True. (facts page8 ppt)
If there is no significant change in gradient after introducing Dobutamine, then there is possible ____________.
LV dysfunction.
Apical, Suprasternal and Right Parasternal should be obtained using __(transducer type)___.
Non- Imaging Probe
In PLAX view, the Aortic Cusps _(shape)_ during __(cycle)__.
dome, systole
In most patient w/ AS, average increase in MPG is of ________ / year.
0 - 10 mmHg
AHA recommends Valve replacement even wo symptoms at velocity _____ and MPG of _______.
>5m/s and >60mmHg
Echo Criteria for Severe Aortic Stenosis Values; a) Max Velocity? b) Peak Pressure Gradient? c) Mean Pressure Gradient?
a) >4m/s b) >64mmHg c) 40mmHg
Normal Aortic Valve should be (this big)
3-4 cm^2
How is Aortic Valve Area Calculated & what is the equation?
Continuity Equation: AVA = CSA (OT) x TVI (OT) / TVI (AS)
Sclerotic velocities differ from Stenotic velocities. If the Aortic Velocity is < equal to 2.5 m/s, then the valve ________.
sclerotic
Aortic Stenosis can be _____________ without obtaining pressure gradients.
overestimated
What does BAV most commonly lead to?
Aortic Stenosis (AS)
Which imaging modalities play an important role in evaluating patients with BAV?
TEE, MRI and CT
What is the most common congenital condition?
Bicuspid Aortic Valve (BAV)
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