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OPERATING INSTRUCTIONS (continued)
LEAD
- Allows the operator to manually
select one of seven lead choices (I, II, III,
aVR, aVL, aVF, or V). A specific lead is
selected by repeatedly pressing the LEAD
key until the choice is displayed in the
upper left corner of the CRT.
SCALE
- Once a lead has been selected, this
soft key allows the operator to manually
select one of five scales (1.5, 2.5, 5, 10 and
15 mm/mV). Each scale segment represents
1 mV.
BASELINE
- Allows the operator to adjust
the waveform’s baseline along the graph
scale.
AUTOSCALE
- Allows the VITALERT 2000
to select the waveform scale and baseline for
the selected lead, based on the size and
polarity of the ECG waveform. When
pressed, the label SCALING appears next to
the
lead
label
to
indicate
that
the
Autoscaling feature is activated.
ECG Channel Noise
During the use of an Electrosurgical Unit or
in cases of a lead fault condition, the
message
NOISY SIGNAL - CHECK LEADS
may appear in place of the ECG waveform.
The flashing heart indicator is removed from
the display, and any ECG-related alarms
that would normally be displayed at the
bottom of the screen are also suppressed,
along with the heart audio tone. The Blood
Pressure and Temperature displays remain
unaffected.
Lead faults may be caused by various
conditions,
including
lead
disconnects,
damaged or wet wires or cable, wires
consistently exposed to liquid disinfectants,
dried out electrodes, or poor electrode site
selection or preparation.
HI
LO
P1
0
P2
SCALE
CONFIG
HELP
ALARMS
OFF
BLOOD PRESURE ALARMS
HEART RATE ALARMS
HI
LO
P1
0
SCALE
P2
FREEZE
OP27013
LEAD
SCALE
BASELINE AUTOSCALE
68
105
74
16
100
70
180
110
30
10
86
26
8
0
120
50
30
0
P2 CVP
P1 ART
FIGURE
FIGURE 13:
13: ECG OPTIONS
21
Содержание VITALERT 2000
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