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Anaesthesia ventilation
PCV
Selecting PCV mode
After switching on in PCV mode the ventilation
parameters originally set by the factory or subsequently
reprogrammed by Dräger Service are applied.
Settings on delivery of a new machine:
(can be modified by Dräger Service at the customer's
request).
f
PCV frequency
iPPV
Flow
Inspiration flow
TI:TE
Ratio of inspiration time to
expiration time
PEEP
Positive end-expiratory pressure 0 mbar
P
PCV operating pressure
PCV
The ventilation parameters are adjusted in the same way
as in IPPV mode:
1 Press the »PCV« key.
2 Display in dialogue field:
PCV mode ?
3 Press the rotary control to confirm –
ventilation in PCV mode starts.
In the absence of confirmation, the message
»PCV-Mode ?« disappears after 10 seconds without
any change in the ventilation function.
The parameters PCV, f
IPPV
movement are displayed on the ventilator.
The system screen is also started, and the alarm limits for
IPPV are activated.
PCV characteristics and settings
1 The »P
« key is also labelled »P
max
In »IPPV« mode the key has the »P
In »PCV« mode the key has the »P
The »P
« value defines the level of the pressure
PCV
curve plateau that is attained during inspiration and
exactly maintained until the start of expiration.
2 The »T
:T
« key is also labelled »Flow«.
IP
I
In »IPPV« mode the key has the »T
In »PCV« mode the key has the »Flow« function.
The »Flow« value defines the gradient of the
inspiratory curve. The permitted value range is
between 5 and 75 l per min.
36
(PCV ventilator)
12 per min.
50 L per min.
1:1.7
10 mbar
, Flow, PEEP and piston
«.
PCV
« function.
max
« function.
PCV
:T
« function.
IP
I
MAN
SPONT
IPPV
P
max
T
IP
:T
I
f
SIMV
PCV
V
T
f
T
:T
PEEP
IMV
IPPV
I
E
P
PCV
Flow
PCV-Mode ?
2
PCV
1
MAN
SPONT
IPPV
P
max
T
:T
IP
I
SIMV
PCV
V
f
T
f
IPPV
T
I
:T
E
PEEP
IMV
P
PCV
Flow
1
2
TEST
O
3
TEST
O
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