An Overview of the ST80i Stress Test System
2-14 ST80i Stress Test System Instructions for Use
To override or manually enter the Sp0
2
1 Click the dashed lines or value.
2 Type in the latest SpO
2
3 Click OK.
Double Product (HR*BP)
Double Product is the current heart rate times the current blood pressure measurement.
Use the drop-down arrow to change from Double Product display to the following:
About METS
About ST X mm (or mV) – X is the selected Zoom Lead
About METS
The METS calculation establishes a metabolic equivalent based on the Algorithm calculation
of HR, speed of treadmill, etc.
About ST X mm – by Zoom Lead
You have the option to change the lead in view using the drop-down menu to view the ST
Index (ST level).
To change the lead in view
1
Click the Hide/Show View icon.
2 Select Show Zoom ST.
3 Click the Lead drop-down arrow in the Zoom ST lead display.
4 Select the lead to view.
Treadmill Speed, Grade %
These two fields capture the treadmill speed and elevation by stage.
You can also use these fields to manually change the treadmill speed and elevation. To do
this, see “Controlling the Treadmill or Ergometer” on page 3-35.
During the entire stress test, the host-side application validates the response between the
treadmill (or ergometer) and the PC to ensure that the communication is successful.
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