Aortic Stenosis Measurements
Aortic Regurgitation
Aorta
100
>40 mmHg is the Mean gradient for this category of AS.
What is Severe AS
100
<200 ms
Severe AI by P1/2t
100
Normal Ascending Aortic diameter range
What is 2.1-3.4 cm
200
The AVA for Severe AS
What is <1 cm2
200
The measurement done to quantify AI severity
P1/2t
200
Normal Sinotubular junction measurement
What is 2.2-3.6 cm
300
the measurement 3-4 m/s
What is mean gradient of moderate Stenosis
300
The narrowest portion of the regurgitant jet with maximum velocity.
Vena Contracta
300
This measurement is taken at C.
What is the Sinotubular Junction
400
The AVA Index of Severe AS
What is <0.6 cm2/m2
400
This is caused by the diastolic flutter of the AMVL when the AI jet strikes them.
Austin Flint Murmur
400
How the Ascending Aorta measurements are performed (the points are placed)
Leading edge to leading edge
500
The measurement 0.25-0.5
What is Dimensionless Index of Moderate Stenosis
500
This commonly causes Secondary AI
Ascending Aortic Aneurysm (Aortic Root)
500
A common syndrome that causes Ascending Aortic aneurysms
What is Marfan Syndrome