Free Preparation Discussions
MENU
ARDMS AE-Adult-Echocardiography Exam - Topic 1 Question 3 Discussion
Topic #: 1
Which technique best determines a trileaflet aortic valve from a bicuspid aortic valve?
The most reliable technique to distinguish a trileaflet aortic valve from a bicuspid valve is to visualize all three leaflets simultaneously during diastole when the valve is closed. During diastole, the aortic valve leaflets coapt, and the three cusps form a characteristic ''Y-shaped'' or ''Mercedes-Benz'' sign on short-axis echocardiographic views, clearly demonstrating the number of leaflets.
Visualization during systole is less reliable because the valve is open, and the leaflets are moving rapidly. Doppler techniques (pulsed or continuous wave) assess flow velocities but do not definitively determine leaflet number, only stenosis severity.
This approach is well documented in adult echocardiography textbooks and ASE valvular imaging guidelines, which emphasize the diastolic short-axis view for valve morphology assessment16:Textbook of Clinical Echocardiography, 6ep.190-19512:ASE Valve Imaging Guidelinesp.180-185.
Nu
24 hours agoMargarita
6 days agoLemuel
11 days agoKimbery
16 days agoVilma
22 days agoMarvel
27 days agoJose
2 months agoCruz
2 months agoLeota
2 months agoIndia
2 months agoCarmela
2 months agoSean
2 months agoPedro
3 months agoNoel
3 months agoNettie
3 months agoJustine
3 months agoJanessa
3 months agoFrancoise
3 months agoShelba
4 months agoGrover
4 months agoMaira
4 months agoStaci
4 months agoGiovanna
4 months agoStacey
5 months agoCharlena
5 months ago