Respironics 920M Manual de Serviço descarregar pdf (Página 23)

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B. Displays

1. SpO

Display

The left digital display is a 3-digit light emitting diode (LED) digital

display that indicates oxygen saturation percentage. Refer to

Figure III. Oxygen saturation is calculated by the methods outlined

in Section VII.

2. ♥ (Pulse Rate) Display

The right digital display is a 3-digit LED digital display that indicates

pulse rate in pulses per minute. Refer to Figure III.

(Perfusion) Indicator

The perfusion indicator (identified by the waveform symbol )

will flash once for each pulse while measuring oxygen saturation.

The perfusion indicator changes color to indicate changes in the

pulse waveform signal that may affect the SpO

data.

The perfusion indicator may blink one of three colors: green, yellow,

or red. These colors are similar to the colors of a stoplight such that:

Red indicates the pulse amplitude is too small.

During red perfusion, SpO

and pulse rate values

are not updated. After ten seconds, the values are

replaced with dashes indicating SpO

measurement is not possible.

Yellow indicates the pulse waveform amplitude is

marginal or the pulse oximeter has detected artifact.

Although SpO

data is acceptable, corrective measures

should be considered to improve sensor placement,

change sensor type, or reduce patient movement.

Green indicates the pulse waveform signal is of good

quality and SpO

data is accurate.

CAUTION

• The 920 may interpret motion artifact of

sufficient amplitude and regularity as

good perfusion (green).

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Respironics 920M Manual de Serviço Página 23