FujiFilm SonoSite SII, Дополнение к руководству пользователя

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Measurement references 35
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Measurement publications and terminology
Cardiac references
Acceleration (ACC) in cm/s
2
Zwiebel, W.J. Introduction to Vascular Ultrasonography . 4th ed., W.B. Saunders Company, (2000), p.52.
ACC = abs (delta velocity/delta time)
Acceleration Time (AT) in msec
Oh, J.K., J.B. Seward, A.J. Tajik. The Echo Manual . 3rd ed., Lippincott, Williams, and Wilkins, (2007),
p.147-148.
[time a - time b]
where: time a = early time;
time b = later time;
only valid when [a] > [b]
Aortic Valve Area (AVA) by Continuity Equation in cm
2
Oh, J.K., J.B. Seward, A.J. Tajik. The Echo Manual . 3rd ed., Lippincott, Williams, and Wilkins, (2007), p.73 and
p.191-195.
A
2
= A
1
* V
1
/V
2
where: A
2
= A
o
valve area
A
1
= LVOT area;
V
1
= Peak LVOT velocity (Vmax) or LVOT VTI
V
2
= Peak A
o
valve velocity (Vmax) or A
o
VTI
LVOT = Left Ventricular Outflow Tract
Deceleration Time in msec
Oh, J.K., J.B. Seward, A.J. Tajik. The Echo Manual . 3rd ed., Lippincott, Williams, and Wilkins, (2007), p.73-74.
[time a - time b]
where: time a = time associated with Vmax;
time b = when the line tangent to the envelope and through Vmax crosses the baseline