Ohmeda Biox 3700 - Signal and Data Validity

1118-301
SIGNAL AND DATA VALIDITY
It is of utmost i-portance to determine that the probe is attached to ri.»
patient correctly and the data is verifiable To «k« Zm aZ V
three indicators fro- the oxi^ter are'of ^istLc^ ^U^SSSS^T
datn^idity^ lnd±Cat0r8 —*—* — ascertaining0^1^
1.
Three complete passes of the plethysmographic waveform should be
to ™M r n! ' alth0u8h the waveform shape may vary from patient
to patient. Under normal conditions, the photo-plethysmographic
waveform corresponds to the arterial pressure waveform. The typical
photo-plethysmographic waveform indicates not only a good waveform
but helps the user find a probe placement with the least noise spikes
present . v
dicrotic notch
TYPICAL PHOTO-PLETHYSMOGRAPHIC WAVEFORM
Dicrotic Notch - a notch on the descending limb of the normal arter
ial pulse tracing, corresponding to aortic valve closure.
(Gould Medical Dictionary, 3rd Ed., New York: McGraw Hill Book Co.
19/27)
- 32 - 01/27/86
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