sequential cardiac cycle and calculating their average, and display the result at the list at the
bottom right corner. 5 continuous heartbeats measured are marked with red arrowhead above the
Click on the wave of the lead to be adjusted, and the wave will turn green, it shows this heartbeat
wave has been selected. Press "Tab" button or click with mouse to select the point to be adjusted
(Q, S or T position). If the erect line on waves is red, you can adjust the position of
corresponding point by "left" and "right" key on the keyboard.
The Data on the lower right will change automatically basing on your adjustment.
There is a heartbeat chromatogram selected on the upper right corner, whose color stands for the
change of the wave amplitude. By using this method, you can observe the QTD directly.
HRV (Heart Rate Variability) is time difference between current cardiac cycle and previous
cardiac cycle, which reflects instantaneous change of heart beat gradually.
HRV analysis is shown as Figure 83 and Figure 84.
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General