Failure to
altitude
and
the
strain
of
flying
interested
in
the
medical
problems
of
aviation.
In
This board shall
study
his
physical
condition,
companion
meanwhile
found
the car
by
little,
gradually
and
insensibly.
There
soon
pointed
to
290
mm.
and
then
the
body
are
sensitive,
the
red
corpuscles
per
increase
at
high
altitude
may
be
accounted
for
half of
to
fifth
morning.
In
men
who
undergo
the
exertion
of
climbing
6,000
feet,
flow is
breathing
of
an
oxygen-rich
mix-
ture
while
PULSE
RATE
AND
THE
BLOOD
like-
altitude the
index
of
lung
ventilation.
The
breathing,
however,
is
dependent
on
the
integrity
of
a
very
small
area,
the
lungs.
Both
the
per-
centage
of
oxygen
is
level,
it
is
evident
by
a
subject
the
subject
is
already
known
and
oxygen
tension
study
point
expedition
may
furnish
a
powerful
stimu-
to an
of
high
then
slowly,
throughout
a
period
that the aviator remains
TO
WITHSTAND
than
that
heart
inactive animal.
that
the
breathing
altitude
increases.
The
fact
that
there
is
this
oxygen
want,
suggested
that
any
mechanism
that
would
permit
the
breathing
of
oxygen
to
8
the
lungs
than
the
shallow,
rapid
type
of
breathing.
As
the
percentage
of
breathing
when
ii
2i
.'u
il
typical
a
rebreathing
test
and
again
on
the
following
day
taken
into
the
low-pressure
chamber
during
rebreath-
conditions will lead
systolic pressure
H
of
the
laboratory,
presumably
normal
men.
Venous
pressure
19
20
21
time
who have lived most of their lives at
altitudes above
break
carbohydrate
foods,
such
as
sugars,
green
vegetables,
and
others
that
are
easily
fermented,
the
decrease
in
vital
capacity
might
be
expected
.-.'^fcJI'h'rilrtlhiri'tt:
18
is
occurring.
Careful
study
HVQr,
20
two
minutes,
pulse
33
per
cent,
a
duration
is
too
short
a
period
part
two
and
a
shown
found
oxygen
in
the
rebreathing
test
will
profoundly
in the
down to
begin
and
the
oxygen
per
cent
pressure
was
being
held.
In
several
cases
the
breathing
decreased
to
its
original
volume
before
the
ascent.
During
these
exposures
the
type
of
breathing
frequently
changed
per
cent
of
oxygen.
Both on the
the
experiment
and
is
not
surprising
of
hemoglobin
took
place
while
the
heart
rate
slowed
(see
chart
10a),
as
blood
supply.
This
regulation
comes
mainly
from
the
vital
centers
in
the
medulla,
and
consists
for
the
most
part
in
variations
in
the
size
of
respiration,
so
that
compensation
air,
this
tension
may
be
raised
by
pressure
is
vary).
Again,
Peripheral
resistance
what.
Two
parts
want of
little or no
the
circulation
is
still
in
order.
work
on
the
heart.
The
poor
types
of
reactors
(those
wdiose
compensation
is
of
low
grade)
do
not
show
it,
because
their
hearts
meeting
it
feeling
of
exhaustion
has
progressed
these
cases
the
TIME
IN
MINUTES
No.
before the test.
diagnosis
of
mitral
insuSicIency
well
compensated.
The
..
»•
» »
17 18 10
was
repeated
a
-f-]-^-frrt-;:|:;::l:^:.|^i:}ls
in
systolic
and
diastolic
pressures
indicating
failure
malcing.
Psychological
effects
early.
oxygen
are
always
ex-
cessive,
this
group
of
otologists
had
been
in
correspondence
Physical
Examining
Unit
for
its
guidance;
from
time
erence was
AIR AS
these
four
are
reduced
in
efficiency
by
conditions
incidental
to
flying,
and
the
fourth,
vestibular
sense,
is
not
so
reduced,
3. 7
to a most careful
20. Vestibular tests.
right.
This
is
normal
past-
pointing.
INSULATION
OF
SUBJECT.
The
insulation
of
the
applicant
during
The
turning
to run
end
-organs
of
individual in
they
were
under-
going
were
roughly
of
two
classes
speed
was
sensed
as
motion
downward
by
both
types.
Particularly
striking
was
the
continuation
over
long
periods
of
time
of
the
sensing
of
motion
downward
by
the
first
type
of
tabetics
cated
properly
total
speed upward
geons
in
carrying
nose
slow
horizontal
turns.
experiments.
It
is
to
be
more
accurately
detected
by
the
subjects
than
shown to them
nature
injection
of
so
many
extraneous
influ-
ences,
such
as
apprehension,
fear,
excitement,
inability
to
physically
most
suitable
for
flying
training.
Many
experiments
concerning
canals
chiefly
affected
according
ones
mainly
stimulated,
and
these
very
slightly,
because
series
of
blindfold
experiments
messages
to
easy
to
im-
agine
what
havoc
acquire
in
absolute
safety
sensual
reaction.
Eepeat
tests
the cornea.
most
important,
due
side
slip
when
they
are
flying
Medi-
cal
men
agree
have been
made of
doing
actual
fighting
much
visual
acuity
is
headache,
or
more
exactly
less,
after
having
attained
3,000
or
4,000
minutes,
had
with
cycloplegic
in
the
examination
of
all
before
the
eyes
used
in
the
routine
preliminary
examination.
The
test
object
is
made
contrast
sensitivity.
The
reading
of
and
high
eye
means
low
image;
and,
field,
the
strength
of
the
muscles
candidate return several
until
all
sense
and
then
fix
on
directing light
from the
Hare-Marple ophthalmoscopic
2-millimeter
black
dot
as
a
test
object
are
used.
The
point
12
millimeters
in
objects
on
No.
9,
7-5-9,
3-4r-2,
1-10-8.
and
6;
for
the
C
card,
10-9-2,
7-8-6,
4-3-1,
and
5.
fly
at
night,
notably
bombers
and
doing
patrol
duty.
A
test
for
should
have
tions
fident it
will be
psychological
flying,
the
lights
without
making
any
attempt
are
completed,
and
the
material
is
now
ready
for
rating,
the
appearance
of
less than 30
efficiency
of
the
unit.
In
making
the
test,
diligent
care
in
his
presence
as
hours
sleep
in
48
hours,
way
required
in
piloting
a
plane.
(5)
The
sensitivity
to
the
first
label,
only
task
was
completed,
minutes with
the motor
'
..-^
original
(penalty
of
2
in
temperature
of
dura-
tion
error
may
variable
errors
of
expectation
and
habituation
Subject
B
physiological
disturbance
producing
a
cumu-
lative
is somewhat
ate
possibilities
having
definitely
settled
some
relatively
trivial
event
of
a
personal
nature.
States
of
irresolution
and
apprecia-
tion
of
the
number
and
variety
of
sufficient.
Eemotely
Accompanying
each
history
a
personality
summary
is
made
on
a
separate
slip
in
order
to
present
maximum
flight
efficiency.
There
are
only
balance
of
worry.
flying
on
account
of
present
condi-
tion.
Should
Inasmuch
circulation
makes
prolongation
remaining
in
the
apparatus
is
analyzed
except
in
the
most
general
form
be
very
fallacious
if
applied
to
active
working
conditions
high
altitudes.
15.
The
of
the
Medical
Research
Laboratory
at
Mineola,
where
they
will
be
inspected
to
keep
on
file
duplicates
alphabetical
order.
20.
In
completed,
terminate the
psychologist,
who
will
plainly
already carefully
who
makes
a
good
run
on
this
apparatus
Evi-
dence
of
hypertrophy
and
dilatation,
two
ways
reading
his
final
disposition.
shall be
exercise
caution
a
test
must
air breathed.
per
cent.
They
are
rated
air. Do this as
slowly.
When
the
pinion
is
screwed
lower
to the
the control
opened
the
liquid
in
the
made.
This
volume
subtracted
from
the
volume
remaining
burette,
con-
trol
tubes,
and
jacket
to
be
moved
forward
in
to
the
glass
it
may
helps.
New
finely
as
pos-
sible.
It
is
essential,
therefore,