
..
I.V.
Therapy Demystified
of
pId.bitis, but the uoo.rlying
~.
u
..,
i.
different. When thrombo>i. occu
.....
clot
..
, formed
..
the
'"""""
.i
te.
Thi.
i.c.used
most
commonly by
.n
intorruplion in
deh,
-
ery
oftbe
I.
V.
001"
,
;00
Of
by
imJ>l'OP<rly
~"shin~
lhe
I.
V
.•
,",.".
<levi"" he, ...
","
the
deh,
-
ery
of
intermittent
and
bolu.
'ofu.;oo.,
NursinB
."",
ogie
••
imed at
pre,
o
n,inB
and ,,,,
..
ing
lhe>e
""1\..,,,,,
""n"
are
di",",sed
in funh<f
de!>iI
in
Ch2p<
or 6.
Changing
I.V.
Systems
CHANGING
ADMINISTRATION
SETS
In g''''''''1.
admin;"",';
",,
"'"
for peripher>1
I.
V,
line.
,hou
ld be changed
no
........, f.equ<o
tl
y
,ru.,
"'''''Y
72
hours
Of
wbe"",.."
it
i
.....
pec1<"tl
'/1>
1 the
.ystem
has
become
ooown
inated.
Who"",
. ,
admi"i'lra
t
i""
..,,,
are
ch
. ng.-d. tbe en,iro
sy".m
shoold be
changed
..
the
>arne
,ime, including I.
V.
administr:a'K>o coota;"'"
and
LV.
Ii"" •. iocluding
ony
."en.ion
tubing.' Some '
go",,;"
and
hoopital.
Iu,..,
polici
••
that dic
ta
le ,h
OI
,
I.he
l i • • "
>r
lled
10
tbe I.
V.
admini>tr:ation
""
tubing
,ha,
iodic .
...
the d
>t
e and ,ime
'/1>
1 the admi
n;""";",,
""
was I. " <twlged and tbe ini
ti
.
l,
of
the
nu,se whoch2nged the set. W
""""',..-
an
I.
V.
acress
.ite
i.
"""ted
. meaning
th
at
u",
of
one
.i
te
i.
di5COlltinued
and.
"".,
LV
.•
ite
i,
accessed for<ootinu"""e
of
infu,ion
the~.
then the I.
V.
admini
.1r>.
tioo
'"
should be ch2ng.-d completely.'
CONVERTING
TO
A
LOCK
OEVICE
A
COIIt
i
nOOlJ.ly
infu'ing
peripheral I.
V.
odmi
ni.tn
tion
",up
may
he
ch2nged
to
. n
in
t
enn
itt<ntly used o
.pp..J
LV
.•
,"'"
••
ite
..
f
..
red
to
...
1""*
d,,
'
;«.
1hese
lock
t!ev;c.,.
are
.1",
call.-d
..
li
n.
lock. beeau"" ..:Ii"" (i.o
..
0.9% NS) typic.lly
i,
the
~u>h
solution
of
choi"", and ..:Ii""
..
"",ins
in"illed in these
loch
he"'""n
u",
to
keep the
'y".m
patmt. Figure 4-6
>how
. .
..
Ii"" lock.
n.e
",
de
,ice.
ore
'""'""ti"",.
referred
to
..
lu!parin
locu,
. Ithough heparinized solution i,
",
..
Iy
infu.oo into
the
..
de,ice.
os
it
hod
been in ye"", past. It u.oo to be thought that infu.oo
Oo
pa
rinized solution would be
,u
pe
rior
to
..:Ii
""
in kocping tOo", I.
V.
""""
..
de,ice.
pa
ten
t.
bu
t this
1=
been foooo 00< to be true. and tOo", are .
1so
i
""
..
..oo
ri.k<
associ.
ted
with the use
of
heparin that ioclude heparin_ioouced thrombocytopenia
(Hln
.
S.li""
lock. typi<.lIy
...
iooic
at
ed
fo.-.
patient who
""lui""
short
_t
onn
in
te
rm
ittent
I.
V.
infu,ion.
of
medic>tio",."
A change from • <ootinOOll. I.
V.
admini"
..
tioo
'"
to •
..Ji
""
lock requi
...
. n
o.-de, by .
phy,
ic
i. n or an ad">need-pnctice clinician with prescriplive . uthority.