
Chapter 5.Measurements and Calculations 5 - 43
- A. Rev Dur. measures the time duration by measuring the distance between the
Mitral Valve Closing and the heart diastole phase.
■ In the sub-menu of Tissue Doppler, Peak S measures the systolic peak, and IVCT 와
IVRT measure Isovolumic Contraction and Isovolumic Relaxation phases, respectively.
■ The sub-menus of Qp:Qs are measured as shown below.
- Sys. VTI and Pulm. VTI measure the VTI by tracing LVOT Flow and RVOT Flow
respectively.
- Sys. HR and Pulm. HR measure the heart rate by measuring diastole phase and
systolic phase respectively in LVOT Flow and RVOT Flow.
- Sys. Dia and Pulm. Dia measures the distance of Outflow Tract in the 2D images
of LVOT Flow and RVOT Flow, respectively.
■ Select Heart Rate to calculate the heart rate.
- Select and measure the start and end points of the spectral waveform.
- Measure the average value of the heart rate by selecting ‘Number of Beats’ with
the Menu / Angle dial-button.
■ Select Hepatic Vein to measure Hepatic Vein.
- Dias Vel. measures the Peak Velocity at diastole.
- Systolic Vel. measures the Peak Velocity at systole.
- Reversal Vel. measures the Peak Velocity at reversal.
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