Allied Healthcare EPV200 Gebruikershandleiding - Pagina 8
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Verify the patient is receiving good ventilation:
Once the patient is connected to the ventilator, the patient should be observed to make
sure he has adequate chest rise and fall. The chest rise should be even and should
return to a normal position. If the patient does not have adequate chest rise, check the
tidal volume setting and patient connections and examine the patient for a possible
obstruction of the airway or other injury. The patient should be monitored to make sure
he is receiving proper ventilation.
The airway pressure gauge should be observed to make sure the patient is receiving
adequate positive pressure ventilation. If the gauge reading is low during the delivery of
a breath and the chest rise is also low, check the tidal volume setting and patient
connections and examine the patient for a possible obstruction of the airway or other
injury. The gauge reading should also be observed to make sure it is not too high.
Common numbers used in practice are a maximum of 20 cm H
airway and 30 cm H
on the patient's condition. Physician instructions should always be followed. A high
reading with a pressure limit alarm may indicate a blocked airway or a stiff lung. If you
are using a PEEP valve with the ventilator circuit, the PEEP pressure will not be
displayed on the gauge (Airway Pressure Display).
●
Spontaneous breathing by the patient:
Should the patient begin to breathe spontaneously, the EPV200 will sense this breath
and deliver the set tidal volume at the corresponding inspiratory time. The breath timing
will be reset based on the selected BPM rate. For example, if 10 BPM was selected,
the next breath will be delivered 6 seconds after the start of the spontaneous breath.
The gas flow rate to the patient during a spontaneous breath is based on the tidal
volume selection as shown in the table on page 7. Should the patient demand exceed
the gas flow rate, the additional demand will be supplied by the ambient air. Ambient air
is pulled in through an anti-suffocation valve located in the breathing circuit connection
fitting.
Warning: Do not cover or block the anti-suffocation valve.
Warning: Should a mechanical problem develop or the patient appears
to be experiencing difficulty breathing while connected to the unit,
disconnect the unit immediately and ventilate by other means.
Cold temperature operation:
Operating time will be significantly reduced if the batteries are stored at low
temperatures. At 15°F (-9°C) the battery life will be approximately 9 hours (10 BPM and
2 second I
) before the low battery indicator turns on. The low battery indicator will still
t
give about a 2 hour low battery warning. Batteries should be replaced when the low
battery indicator appears, as run times are reduced at low temperatures. When the unit
stops operating you will receive a breath delivery alarm.
Warning: Batteries stored at temperatures below 15°F (-9°C) may not
have enough power to properly operate the solenoid valve in the unit,
resulting in tidal volumes that are not the indicated value.
O for a protected airway. Higher pressures may be required based
2
2
7
O for an unprotected