Skip to Main Content
Measurement, Instrumentation, and Sensors Handbook, Second Edition, 2nd Edition
book

Measurement, Instrumentation, and Sensors Handbook, Second Edition, 2nd Edition

by John G. Webster, Halit Eren
February 2014
Intermediate to advanced content levelIntermediate to advanced
1921 pages
82h 13m
English
CRC Press
Content preview from Measurement, Instrumentation, and Sensors Handbook, Second Edition, 2nd Edition
68-11Blood Chemistry Measurement
To account for COHb and MetHb accurately, four transmission wavelengths would be required, or for
ac
curate
S
a
O
2
readings the total Hb concentration needs to be known or measured [5,7,20].
68.3.3.2 Pulse Oximetry
Pulse
ox
imetry
is ba
sed
on th
e
tr
ansmission,
ab
sorption,
an
d
di
spersion
of li
ght
as it pa
sses
th
rough
he
moglobin
. Be
er’s
la
w,
as st
ated
in Eq
uation
68.1, de
termines
th
e
tr
ansmission
of li
ght
th
rough
a su
b-
stance
. Fo
r
pu
lse
ox
imetry,
th
e
li
ght
il
luminates
bo
th
ar
terial
an
d
ve
nous
bl
ood
an
d
th
e
li
ght
mu
st
tr
averse
al
l
ti
ssue
be
tween
li
ght
so
urce
an
d
re
ceiver
. Fi
gure
68.7 re
presents
th
e
li
ght
pa
th
an
d
in
Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
and much more.
Start your free trial

You might also like

Instrumentation and Control Systems, 3rd Edition

Instrumentation and Control Systems, 3rd Edition

William Bolton

Publisher Resources

ISBN: 9781439848913