User Manual Part 5

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62 Standalone Monitoring Welch Allyn Propaq LT Vital Signs Monitor

Improving the Waveform Display

If the power source filter is off, noise from the power source can cause an unclear or

noisy waveform.

To Change the Power Source Filter to Reduce Noise

1. Access the Setup menu. (See “To Access the Setup Menus” on page 38.)

2. Highlight ECG.

Verify that the setting for Power source filter (Figure 62) is correct for the power

source in your facility. If you do not know what this setting should be, consult a

qualified service person.

3. Highlight Power source filter and press or as needed to select 60 Hz, 50 Hz,

or Off.

Figure 62. Turning On the 60 Hz Power Source Filter in the ECG Setup Menu

4. Exit the Setup menu by pressing or .

Monitoring Respiration

Resp is based on impedance pneumography, where respirations are sensed from the

ECG electrodes.

Resp is part of ECG monitoring. The Resp numeric is displayed (in purple) in the lower

right corner. To view the Resp waveform:

Change the waveform source to Resp (Figure 63). (See “To Change the Waveform

Selection” on page 59.)

II 1mV/cm

Exit

Trends

Snapshots

Setup

60Hz

50Hz

HR/min

140/78

NIBP mmHg (102)

Resp/min

SpO2

Off

Power source filter

Resp Monitoring

Setup

HALL, ROBERT E.

3456187

3:00:06P

Adult

Rm 239

Alarms

ECG

NIBP

Timings

Off

Service

ECG Bandwidth

Pacer indicator

Monitor

Off

Extended

Power source filter 60 Hz

Note

All ECG cables listed for the Propaq LT monitor in Products and Accessories

(810-0409-XX) permit respiration monitoring and electrosurgical interference

suppression.

Note

To measure Resp with Lead II selected, the LL lead must be attached to the

patient.

WARNING Use of respiration monitoring by impedance pneumography can

affect the operation of some pacemakers. If pacemaker operation is affected, turn

off respiration pneumography. (See Figure 61 on page 61.)