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Pulmonetic Systems LTV 950 - HIGH PRES

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Page 9-14 LTV
®
Series ventilator Operator’s Manual
p/n 10664, Rev. Y
High PRES
When the pressure in the patient circuit is greater than the High Pressure Limit setting, the HIGH
PRES alarm is generated. When this alarm occurs, any inspiration in progress is terminated and the
exhalation valve is opened. The turbine is stopped to allow the circuit pressure to evacuate when the
high pressure condition persists for more than four times the set inspiratory time or more than 3.0
seconds, whichever is less.
WARNING
Sustained HIGH PRES Alarm - During a sustained High Pressure alarm condition (HIGH PRES), the
ventilator’s turbine is stopped and gas is not delivered to the patient. Disconnect the patient from the
ventilator and ventilate the patient using an alternative method. See Chapter 15 - Troubleshooting,
Alarms for additional information concerning the HIGH PRES alarm.
AVERTISSEMENT
Alarme ALARME PMAX continue — Dans des conditions d’alarme de haute pression prolongées
(ALARME PMAX), la turbine du ventilateur s'arrête et le gaz n’est plus transmis au patient.
Débranchez le patient du ventilateur et utilisez une autre méthode de ventilation. Pour plus de détails
sur l’état ALARME PMAX, reportez-vous au chapitre 15, Troubleshooting, Alarms.
Immediate or delayed audible alarms for high pressure conditions can be selected using the
Extended Features
42
. If immediate notification is selected, the audible alarm will sound on every high
pressure occurrence. If Delayed notification is selected, the audible alarm will sound on the second or
third consecutive breath terminated by the HIGH PRES alarm. The audible alarm will sound anytime
a high pressure condition persists which stops the turbine.
NOTE
The High Pressure alarm output signal is generated by the ventilator’s Patient Assist Port for use with
Remote Alarm systems. This signal is dependent on the selected setting (NORMAL or PULSE) in the
Extended Features, PNT ASSIST menu. See Chapter 10 - Extended Features, Alarm Operations, for
instructions on setting the Patient Assist Port output signal for use with single or dual tone Remote
Alarm systems.
REMARQUE
Le signal de sortie correspondant à l’alarme de pression élevée est généré sur le port d’assistance au
patient pour une utilisation avec des systèmes d’alarme à distance. Ce signal dépend du réglage
choisi (NORMAL ou IMPULSION) dans le menu Fonctions avancées, PNT ASSIST. Reportez-vous
au chapitre 10, Extended Features, Alarm Operations pour plus de détails sur le réglage du signal de
sortie sur le port d’assistance au patient et sur son utilisation avec des systèmes d’alarme à distance
à fréquence simple ou double.
42
For more information on selecting the High Pressure Alarm Delay, see Chapter 10 - Extended Features.

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