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Full Digital Color Doppler Ultrasonic Diagnostic Instrument (Vet) User’s Manual V1.00
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Chapter Fourteen M mode measurement and calculation
14.1 M general measurements
In B/M, M mode, general measurement can measure depth, slope, heart rate, time and ratio. M general
measurement menu as figures:
Fig. M general measurement menu
14.1.1 Depth measurement
Function: Measure the distance between the vertical two points in M image.
Measurement method:
1. Move the cursor to the
〖
Depth
〗
menu item in
【
M Meas
】
menu, press
『
Set
』
key to enter measurement
status;
2. Operate the trackball or the direction keys to move the cursor to the starting point, press
『
Set
』
key to
confirm the starting point of the measurement;
3. Operate the trackball or the direction keys to move the cursor to the end point, now the cursor only
can move vertical upward and the measured value will be shown on the right of the display area in
real time; press
『
Measure
』
key to exchange the starting point and the end point of the cursor;
4. Press
『
Set
』
key to finish the measurement;
5. Repeat steps two to four to measure next time.
14.1.2 Slope measurement
Function: Measure the (speed) slope between two points, at the same time measure the depth and time
between the two points.
Measurement method:
1. Move the cursor to the
〖
Slope
〗
menu item in
【
M Meas
】
menu, press
『
Set
』
key to enter measurement
status;
2. Operate the trackball or the direction keys to move the cursor to the starting point, press
『
Set
』
key to
confirm the starting point of the measurement;
3. Operate the trackball or the direction keys to move the cursor to the end point, the measured value
will be shown on the right of the display area in real time; press
『
Measure
』
key to exchange the
starting point and the end point of the cursor;
4. Press
『
Set
』
key to finish the measurement;
5. Repeat steps two to four to measure next time.
14.1.3 Heart rate measurement
Function: calculate the number of bit per minute in the heartbeats image.
Measurement method:
1. Move the cursor to the
〖
Heart Rate
〗
menu item in
【
M Meas
】
menu, press
『
Set
』
key to enter
measurement status;
2. Operate the trackball or the direction keys to move the cursor to the starting point, press
『
Set
』
key to
confirm the starting point of the measurement;
3. Operate the trackball or the direction keys to move the cursor to the end point, now the cursor only
can move horizontal upward and the measured value will be shown on the right of the display area in
real time; press
『
Measure
』
key to exchange the starting point and the end point of the cursor;