CALCULATI
ON'
S
BSA=√(
pt.
ht×pt
.wt
)/3600.=m^
2
Pt
.hti
ncent
imet
er&pt
.wti
nki
l
ogr
am
FLOW=bsa×car
diaci
ndex(
CI)
=lpm
PCV=HB×3=gm%
ESTI
MATEDPCV=Pt
.wt
×BC×PCV/Pt
.wt
×BC+PV=%
Pt
.wti
nki
l
ogr
am,
PVi
spr
imi
ngv
olum,
BCi
sbl
oodconst
ant
BLOODREQUI
ERMENT=
(
Pt.
wt×BC+PV)×r
eq.
hb-Pt
.wt
×BC×pt
Hb)/20=ml
Pt
.wti
nki
l
ogr
am.
PVi
spr
imi
ngv
olume,
BCi
sbl
oodconst
ant
BLOODCONSTATNT
ADULT 60
SEMIADULT 70or75
PAEDI
ATRI
C 80
PRI
MINGVOLUMEACCORDI
NGTOOXYGENATOR
BLOODVOLUME=pt
.wt×bl
oldconst
ant
=ml
ml
PRBC =
, (
tar
getHCT/100)×((
65×kg)
+pv
)-
(
65×kg(
ptHCT/100)×0.
6
BODYLEANMASS
Formen=(
0.32810×wt
)+(
0.339229×ht
)-29.
5336
Forwomen=(
0.29569×wt
)+(
0.41813×ht
)-43.
2933
CaO2=(
1.34×hb×sO2)+(
0.0031×pO2)
CaO2-ar
ter
ialoxy
gencontent,
sO2-sati
rat
ionofoxy
genbasedon
abg,
pO2-
parti
alpressur
eofoxygenbasedonabg
VaO2=(
1.34×hb×sVO2)+(
0.0031×pO2)
Vao2-v
enousoxy
gencont
ent
DO2=CaO2×Q×10
DO2-
del
i
ver
yofoxy
gen,
Q-f
lowr
ate
VO2=(
CaO2-Cv
O2)×Q×10
Vo2-
oxy
gencosupt
ion,
O2EXTRACTI
ON=VO2/DO2
PLASMAVOLUME=bv(
100-hct
)/100
bv
-bl
oodv
olume,
hct
-haemat
ocr
it
COCP=(
plasmav×nocp)/(
Plasmav+pv
)
ON'
S
BSA=√(
pt.
ht×pt
.wt
)/3600.=m^
2
Pt
.hti
ncent
imet
er&pt
.wti
nki
l
ogr
am
FLOW=bsa×car
diaci
ndex(
CI)
=lpm
PCV=HB×3=gm%
ESTI
MATEDPCV=Pt
.wt
×BC×PCV/Pt
.wt
×BC+PV=%
Pt
.wti
nki
l
ogr
am,
PVi
spr
imi
ngv
olum,
BCi
sbl
oodconst
ant
BLOODREQUI
ERMENT=
(
Pt.
wt×BC+PV)×r
eq.
hb-Pt
.wt
×BC×pt
Hb)/20=ml
Pt
.wti
nki
l
ogr
am.
PVi
spr
imi
ngv
olume,
BCi
sbl
oodconst
ant
BLOODCONSTATNT
ADULT 60
SEMIADULT 70or75
PAEDI
ATRI
C 80
PRI
MINGVOLUMEACCORDI
NGTOOXYGENATOR
BLOODVOLUME=pt
.wt×bl
oldconst
ant
=ml
ml
PRBC =
, (
tar
getHCT/100)×((
65×kg)
+pv
)-
(
65×kg(
ptHCT/100)×0.
6
BODYLEANMASS
Formen=(
0.32810×wt
)+(
0.339229×ht
)-29.
5336
Forwomen=(
0.29569×wt
)+(
0.41813×ht
)-43.
2933
CaO2=(
1.34×hb×sO2)+(
0.0031×pO2)
CaO2-ar
ter
ialoxy
gencontent,
sO2-sati
rat
ionofoxy
genbasedon
abg,
pO2-
parti
alpressur
eofoxygenbasedonabg
VaO2=(
1.34×hb×sVO2)+(
0.0031×pO2)
Vao2-v
enousoxy
gencont
ent
DO2=CaO2×Q×10
DO2-
del
i
ver
yofoxy
gen,
Q-f
lowr
ate
VO2=(
CaO2-Cv
O2)×Q×10
Vo2-
oxy
gencosupt
ion,
O2EXTRACTI
ON=VO2/DO2
PLASMAVOLUME=bv(
100-hct
)/100
bv
-bl
oodv
olume,
hct
-haemat
ocr
it
COCP=(
plasmav×nocp)/(
Plasmav+pv
)
