Dräger Infinity Gamma Series

Alarms and Messages
VF4 Infinity Gamma Series Page 5-21
Message: ST > UL
ST<lead1> and
ST<lead2> parameter
value: <value>
Message: ST < LL
ST<lead1> and
ST<lead2> parameter
value: <value>
The ST rate falls out-
side the current upper
or lower alarm limits.
The current alarm lim-
its are inappropriate
for this patient.
• Observe the patient care-
fully.
• Apply treatment if clinically
indicated.
• Change the alarm limits as
described in the “Cardiac
Monitoring” chapter.
Message: ST Lead <1>
and/or ST Lead <2>
Invalid
ST<lead1> and/or
ST<lead2> parameter
value: <blank>
Invalid ST<lead-
name>.
ST<lead1> or
ST<lead2> connec-
tion restored from a
fault.
Excessive signal
noise.
Bad contact of
electrodes.
Interference from aux-
iliary equipment.
• Select correct ST lead(s).
• Verify ST lead(s) connec-
tion.
Heart Rate (HR), Arrhythmia (ARR) and ST Segment Analysis (ST)