a On a frozen 2D image, tap Calcs.
Calcs
If this control is hidden, tapping More Controls displays it.
b From the Cardiac Output (CO) calculation list, tap LVOT D.
If the calculation list is not visible, tap
c Position the calipers across the LVOT by dragging.
d To save the measurement, tap
3 Measure LVOT VTI:
a On a frozen Doppler spectral trace, tap Calcs.
Calcs
If this control is hidden, tapping More Controls displays it.
b From the Cardiac Output (CO) calculation list, tap LVOT VTI.
If the calculation list is not visible, tap
c Drag the caliper to the start of the waveform. Lifting your finger sets the start of the trace.
d Using your finger, trace the waveform. Lifting your finger completes the trace.
To make a correction, trace backward on the dotted line.
e To save the measurement, tap
To calculate Cardiac Output (CO) or Cardiac Index (CI)
The CO and CI calculations require Stroke Volume and Heart Rate calculations. CI also requires Body
Surface Area (BSA). After the measurements are saved, the result appears in the patient report.
1 (CI Only) Fill in the Height and Weight fields on the patient form. The BSA is calculated
automatically. (See "Entering patient information" in the
2 Calculate LVOT diameter:
a On a frozen 2D image, tap Calcs.
Calcs
If this control is hidden, tapping
24
at the top of the current list.
under the measurement name.
at the top of the current list.
under the measurement name.
X-Porte User Guide
More Controls
displays it.
.)