Mindray iPM-9800, Руководство оператора

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9-4
9.5.3 Changing Resp Detection Mode
In the [
Resp Waveform
] menu, select [
Detection Mode
] and toggle between [
Auto
] and
[
Manual
].
„ In auto detection mode, the patient monitor adjusts the detection level automatically,
depending on the wave height and the presence of cardiac artifact. Note that in auto
detection mode, the detection level (a dotted line) is not displayed on the waveform.
Use auto detection mode for situations where:
‹
The respiration rate is not close to the heart rate.
‹ Breathing is spontaneous, with or without continuous positive airway pressure
(CPAP).
‹ Patients are ventilated, except patients with intermittent mandatory ventilation
(IMV).
„ In manual detection mode, you adjust the dotted detection level line to the desired level
by selecting [
Upper Line
] or [
Lower Line
] and then selecting or beside them.
Once set, the detection level will not adapt automatically to different respiration depths.
It is important to remember that if the depth of breathing changes, you may need to
change the detection level.
Use manual detection mode for situations where:
‹
The respiration rate and the heart rate are close.
‹ Patients have intermittent mandatory ventilation.
‹
Respiration is weak. Try repositioning the electrodes to improve the signal.
In Auto Detection Mode, if you are monitoring Resp and ECG is switched off, the monitor
cannot compare the ECG and Resp rates to detect cardiac overlay. The respiration detection
level is automatically set higher to prevent the detection of cardiac overlay as respiration.
In Manual Detection Mode, cardiac overlay can in certain situations trigger the respiration
counter. This may lead to an false indication of a high respiration or an undetected apnea
condition. If you suspect that cardica overlay is being registered as breathing activity, raise
the detection level above the zone of cardiac overlay. If the Resp wave is so small that raising
the detection level is not possible, you may need to optimize the electrode placement as
described in the section "Lateral Chest Expansion".