Basic measurements that can be taken in the M-mode portion of the display are:
• Distance
• Time Interval
• Slope
The following steps are to be performed:
1. Scan the anatomy of interest in live B-mode.
2. Activate live M-mode.
3. Position the M-mode cursor over the tissue of interest.
4. Press freeze.
Distance on M-mode
Distance measurements in M-mode is vertical distance from one caliper point to the next caliper point.
1. On a frozen image, press the Measure/Annotate button.
2. Select Vertical distance.
3. Position the calipers.
Positioning calipers
4. The system displays the vertical distance.
5.To store the image with a measurement, press the store button 
Time interval on M-mode
To measure a horizontal time interval:
- On a frozen image, press the Measure/Annotate button.
- Select the Time measurement tool.
- Position the calipers in the M-mode window to measure the desired time interval.
Time interval - M-mode
4. The system displays the time measurement and the corresponding calculated heart rate. The number of beats used for the heart rate calculation is listed with the calculated heart rate. Example 60 bpm (2), see image above
5.To store the image with a measurement, press the store button 
Slope on M-mode
To measure slope between two points:
- On a frozen image, press the Measure/Annotate button.
- Select slope measurement.
- Position the calipers to measure slope.
Positioning calipers
4. The system displays the slope measurement result.
5.To store the image with a measurement, press the store button
Disclaimer: The information herein is not intended to replace the product’s User Manual. Please consult the User Manual for comprehensive information and cautionary guidance about the product’s operation and use.