26 Using the ventilator
5.4 Monitoring ventilation
The patient must be monitored constantly during
ventilation.
Ventilation pressure gauge shows the ventilation
sequence.
High airway resistance, e.g., caused by obstructions
or external cardiac massage, tend to affect minute
volume (exact details can be obtained from the man-
ufacturer WEINMANN Emergency on request). If the
preset maximal ventilation pressure is exceeded in
two successive inspiration phases (note “ Stenosis
alarm“ on page 29), you should use a respirometer
to check the ventilation volume actually being re-
ceived by the patient. The respirometer can be at-
tached to the expiration tube on the patient valve
with an adapter. Monitor the respiratory parameters
during ventilation.
If lung compliance diminishes during ventilation in
the
No Air Mix setting, the ventilator will react with
an increase in ventilation pressure at constant vol-
ume. For details of how MEDUMAT Standard reacts
in the Air Mix setting, please refer to Section “11.2
O2 content when using Air Mix” on page 62.
Example for the ventilation sequence before and
after the lung compliance diminishes
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