VersaMed iVent201 - Page 216

Alarms
204
Warning
Set Count or
Time of
Condition
Mode of Failure
Priority
Probable Cause Criterion for
Clearing Alarm
Corrective Action
Low Heart
Rate
The heart rate is
below the rate limit
High Clinical Condition Heart rate
exceeds the
lower alarm limit.
Check the patient
condition.
Low FiO
2
15 breath delay
or
Low FiO2
Backup
(available for
first 20 breaths)
5 breath delay
Oxygen
concentration is
below alarm setting
FiO2 less than 22%
High
(LT)
Alarm set too high
No or low oxygen
flow to system
Calibration required
High variability in
patient breathing
F
i
O
2
is higher
than alarm
setting for 4
breaths
Check oxygen supply
Verify delivered O
2
concentration with an
external analyzer
Refer unit to qualified
service technician for
calibration
Decrease alarm
settings
Change from
Adaptive Flow™ to
fixed manual flow
Low O
2
Pressure
5 breath delay
for units S/N
below IV500
External oxygen
supply pressure is
low
10 seconds after
the detection of
O
2
inlet pressure
below 10PSI for
S/N IV500 and
subsequent
High
(LT)
Oxygen supply is
disconnected
Low oxygen
pressure and/or
flow
Nebulizer is
activated without
Oxygen supply.
N/A
Adequate O
2
pressure is
detected
Reconnect or replace
oxygen supply source
Ensure proper
regulation of
external oxygen
pressure
Low Pressure
3 breath delay
Airway pressure
during inspiration is
lower than the Low
Pressure alarm
threshold
Mid Clinical condition
Incorrect alarm
setting
Patient disconnect or
high leak
Pressure is
higher than
alarm threshold
for 2 breaths
Subject to clinical
judgment, correct
setting as necessary
Verify patient circuit