Owner's Manual

ManualsBrandsWithings ManualsFitness & SportsScanWatch

Warnings &

Factors

that

may

degrade

performance

of

reflectance

pulse oximetry

(measurement

of

oxygen saturation) include:

-

Bright

sunlight

- Presence

of

strong

electromagnetic

fields

- Failure

to

apply

the

device

correctly

(loose

wristband

application,

not

on

top

of

the

wr

i

st)

- Tattoos

on

the

wrist

in

the

region

of

the

optical

sensor

- Excessive

motion

of

the

arm, wrist,

or

fingers

- L

ow

bl

ood

per

fusion caused

by

room

temperature

below

the

recommended

operation

range,

or

by

certain

co

n

ditions

such

as

Raynaud's

syndrome

-

Significant

levels

of

dysfunctiona

l

hemoglobin

(carboxyhemoglob

i

n,

methemoglobin)

- Venous pulsations

- lntravascular dyes such

as

cardiogreen

or

methyl

blue

-

Blood-flow

restrictions

due

to

arterial

catheters,

blood

pressure cuffs,

or

infusion lines

-

Hypotension,

serious

vasoconstriction,

serious anemia,

or

hypothermia

- Cardiac

arrest

or

shock

6