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4.4 Mask ventilation
4.5 Ventilation via an endotracheal tube
12
Operating instructions
cleared and the patients spontaneous breathing must
be assisted or controlled if it is inadequate.
Proceed as follows:
•
lay the patient on his back
•
extend the head and neck
•
pull the red ring on the COMBIBAG relief valve up-
wards (pressure limit 20 mbar/cm H
•
C-grip: left hand lifts the lower jaw back and seals
the mask over the mouth and nose
•
rhythmically squeeze and release the appropriate
segment (adult and infant) at the recommended fre-
quency
•
if necessary, insert a Wendl-airway through the
nose or use a Guedel-airway to improve access to
the nasopharyngeal cavity
•
the mask must seal tightly
•
the red ring on the relief valve should be pushed
down (pressure limit 60 mbar/cm H
tional cases only, where adequate ventilation still
cannot be achieved. However, inflation of the stom-
ach is not then excluded and must be considered!
To prevent additional complications (overinflation of
the stomach with consequent aspiration), ventilation
via a correctly placed endotracheal tube is to be
aimed at wherever possible:
O)
2
O) in excep-
2
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