SedLine Sedation Monitor
Chapter 4: Operation
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ARTF (Artifact)
Artifact (ARTF) is a measure of how much physiological (non-brain related) and
environmental noise the system detects.
Numeric Value
ARTF is represented by a numeric value that ranges from 0 to 100%. When an ARTF numeric
value is not available, the value displays dashes (--). A brief explanation of ARTF is available
by pressing the
Numeric Value
and then the
About
icon in the menu that appears.
Trend
ARTF trend conveys the ARTF numeric values over a period of time. The vertical axis range is
0 to 100% and it is configurable by the user. The horizontal axis represents time, the period
of which is configurable by the user.
SEFL and SEFR (Spectral Edge Frequencies)
Spectral Edge Frequency (Left and Right) identifies the frequency below which 95% of the
total power of the patient's EEG is located.
Numeric Value
SEFL and SEFR are represented by numeric values that range from 0-30Hz. When SEFL and
SEFR numeric values are not available, the values display dashes (--). A brief explanation of
SEF is available by pressing the
Numeric Value
of either SEFL or SEFR and then the
About
icon in the menu that appears.
Trend
SEFL and SEFR trends convey the SEFL and SEFR numeric values over a period of time. The
vertical axis range is 0-30Hz and it is configurable by the user. The horizontal axis represents
time which is configurable by the user.
