Samsung SONOACE R5 Instrukcja Użytkownika Pobierz pdf (Strona 412)

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Reference Manual 104

Diastolic Velocity

Velocity measured at diastole.

Systolic Velocity

Velocity measured at systole.

Artrial Reversal Velocity (A. Rev Vel)

Atrial reversal velocity is the peak velocity of the atrial reversal component.

Pulmonary Atrial Reversal Duration (A. Rev Dur)

Pulmonary atrial ow reversal duration is the time between the diastolic component of

pulmonary venous ow and the closure of the mitral valve.

Sys/Dia (Systole/Diastole)

Ratio of the velocity measured at systole and the velocity measured at diastole.

Shunt Ratio QP : QS

Oh, J.K., Seward, J.B., Tajik, A.J. The Echo Manual, Boston: Little, Brown, and Company, 1994.

QP : QS = Pulmonic Cardiac Output / Sysemic Cardiac Output

Vascular Reference

Resistivity Index

Reference : Burns, Peter N., “ The Physical principles of Doppler Spectral Analysis,” Journal of

Clinical Ultrasound, Nov./Dec. 1987, Vol.15, No.9,p.586

Pulsatility Index

Reference : Burns, Peter N., “ The Physical principles of Doppler Spectral Analysis,” Journal of

Clinical Ultrasound, Nov./Dec. 1987, Vol.15, No.9,p.585

SD (Ratio of Systolic to Diastolic Velocity)

Reference : Ameriso S, et al., “Pulseless Transcranial Doppler Finding in Takayasu’s Arteritis,” J

Clin Ultrasound, September 1990; 18:592-6

Pressure Gradient

where, P : pressure gradient, V : the maximum instantaneous velocity (m/sec)

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