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BEECHCRAFT
Section
X
Safety information
example,
the time
of useful
consciousness
is
approximately
1
to
2 minutes.
Therefore,
in the
event of
depressurization,
oxygen masks should be
obtained and
used
immediately.
Should
symptoms
occur
that
cannot
definitely
be
identified
as either
hypoxia
or
hyperventilation, try
three
or
four deep
breaths of oxygen. The symptoms
should
improve
markedly
if the
condition
was
hypoxia
(recovery
from hypoxia is
rapid).
HYPERVENT/LAT/ON
Hyperventilation,
or overbreathing,
is
a
disturbance
of respiration
that
may occur
in individuals
as a
result
of emotional
tension
or anxiety.
Under
conditions
of emotional
stress,
fright,
or pain,
breathing
rate may
increase,
causing increased lung
ventilation,
although
the carbon
dioxide
output
of
the
body
cells
does
not increase. As a result, carbon
dioxide is
"washed
out"
of
the
blood. The most
common
symptoms
of hyperventilation
are:
dizziness;
hot
and
cold sensations;
tingling
of
the
hands, legs and
feet;
tetany; nausea;
sleepiness;
and
finally,
unconsciousness.
If the symptoms
persist,
discontinue
use of oxygen
and consciously
slow
your breathing rate until symptoms clear,
and
then
resume normal breathing rate. Normal breathing
can
be aided by talking aloud.
March, 1981
10-61
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