Samsung SONOACE R5 Manuel d'utilisateur télécharger pdf (Page 410)

100

101

Reference Manual 102

Eective Regurgitant Orice (ERO)

Reference: Oh, J.K., Seward, J.B., Tajik, A.J. The Echo Manual. Boston:Little, Brown and

Company, 1994, pp. 108-109

Vmax is the peak velocity of the mitral regurgitant jet measured on the Doppler display.

Regurgitant Volume (Vol)

Reference: Oh, J.K., Seward, J.B., Tajik, A.J. The Echo Manual. Boston:Little, Brown and

Company, 1994, pp. 108-109

Where:

PISA-Vol. = Regurgitant volume in milliliters

PISA-ERO = Eective Regurgitant area in cm2.

VTI = Velocity integral of the Regurgitant ow measured on the Doppler display

Cardiology Doppler

Mitral Valve, Tricuspid Valve

Pressure Gradient

where, V : Velocity (m/sec)

PHT ; Pressure Half Time

Reference : Oh, J.K., Seward, J.B., Tajik, A.J. The Echo Manual. Boston: Little, Brown and

Company, 1994, p.59-60

Pressure half-time (PHT) is the time it takes for the peak pressure gradient to fall to half to half

of its peak value. DT is deceleration time in centimeters per second form the peak velocity

to the baseline.

Mitral Valve area

where ; PHT is Pressure Half Time (milliseconds)

Reference : John H. Phillipse, “ Practical Quantitative Doppler Echocardiography”, p47,

chapter6, CRC press, 1991

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Samsung SONOACE R5 Manuel d'utilisateur Page 410

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