Dantec Clavis User Guide
11
EMG Mode
In the EMG mode, the device is used for needle electrode examinations. Throughout the procedure,
Dantec Clavis will emit a series of audible signals varying in intensity and frequency that will help
monitoring the localization of the targeted muscle or nerve.
Note that the
Sound Signal
flashes a green light when EMG is activated.
Electrodes
CAUTION: Only electrodes recommended by Natus must be used. Refer to the Neurodiagnostics
Supplies section of this user guide for further information.
Connecting the Electrode Leads to the Device
Before starting the procedure, connect the electrode leads to their corresponding color-coded connectors
as shown in fig. 2 below.
Figure 2. EMG Electrode Connections
Ref.
Symbol
EMG Electrodes
Color
1
Patient Ground
Green
2
Reference
Red
3
Reference (additional)
Red
4
EMG input (active)
Black
Connect the ground electrode to the green patient ground connector (
) (
1
).
Connect the reference electrode to the red reference connector (
) (
2
).
If needed to reduce impedance, connect another reference electrode to the additional red reference
connector (
) (
3
).
Connect the EMG needle electrode to the black connector (
) (
4
).
