User Manual Part 5

58 Standalone Monitoring Welch Allyn Propaq LT Vital Signs Monitor
4. Shave or clip the hair from the electrode sites.
5. Thoroughly clean the skin, using soap and water, isopropyl alcohol, or skin preparation
pads, and lightly rub it dry.
6. If you are using gelled electrodes, verify that the electrode expiration date has not
passed and that the gel is intact and not dried out.
If you are not using gelled electrodes, apply a mound of gel (1/4-inch to 1/2-inch, or
0.6-cm to 1.3-cm) to each electrode contact area.
7. Attach lead wires to the electrodes before applying them to the patient.
8. Apply the electrodes to the patient in the proper locations (Figure 54).
Figure 55. ECG Leads - Placement Displays, 5-Lead and 3-Lead
The locations of the circles displayed on the monitor (Figure 55) for each lead are
fixed, and do not indicate the exact placement of the electrodes on the patient.
If the monitor detects that some lead wires are not connected, it displays an “ECG
Fault” equipment alert and a chest diagram (Figure 56) indicating the location of the
disconnected lead or leads. If the disconnected lead(s) invalidate the Lead used for
HR determination, then the monitor reassigns, if possible, the Lead used for HR. If
the reassignment succeeds, the monitor then displays another equipment alert with
the message “ECG Lead changed”.
Caution To protect the patient from allergic reactions to electrodes, refer to the
electrode manufacturer’s directions for use.
Note
At least three appropriate electrode connections are required for ECG/Resp
monitoring.