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Chapter 26 - Cholinergic Blocking DrugsVersion en ligne
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1
AChE
dopamine
norepinephrine
ACh
Cholinergic
blocking
drugs
block
the
action
of
the
neurotransmitter
2
anticholinergic
parasympathomimetic
parasympatholytic
Acetylcholinesterase
blockers
cholinergic
Cholinergic
blocking
drugs
are
also
called
drugs
,
or
,
and
less
frequently
.
3
selective
nonselective
bypasses
target
muscarinic
dependent
nicotinic
independent
dopamine
Cholinergic
blocking
drugs
most
often
are
and
just
one
of
the
two
receptors
:
and
receptors
.
The
receptor
targeted
is
of
the
drug
.
4
muscarinic
asthma
receptors
receptors
worse
dopamine
nicotinic
COPD
ipratropium
better
An
example
involving
drugs
selective
for
that
are
used
as
maintenance
treatment
of
chronic
respiratory
conditions
such
as
and
.
In
obstructive
lung
disease
(
e
.
g
.
,
asthma
)
stimulation
of
the
parasympathetic
nervous
seems
to
make
disease
symptoms
.
When
drugs
such
as
are
used
to
manage
bronchodilation
in
nonacute
conditions
,
these
drugs
block
the
release
of
ACh
in
airway
smooth
muscles
,
thus
reducing
bronchial
constriction
.
5
cidiosyncrasy
cholinergic crisis
Drug
means
an
unexpected
or
unusual
drug
effect
.
6
40
cholinergic
agitation
confusion
urinary
65
blocking
excitement
retention
Because
older
clients
taking
a
drug
have
exhibited
symptoms
such
as
,
,
mental
,
drowsiness
,
,
or
other
adverse
effects
,
it
is
recommended
that
many
of
these
drugs
NOT
be
used
for
those
older
than
years
.
7
biliary
peptic
Ureteral
COPD
asthma
nerve
GI
colic
bradycardia
ulcers
tachycardia
glaucoma
vagal
The
primary
uses
of
cholinergic
blocking
drugs
are
in
the
treatment
of
the
following
:
maintenance
treatment
of
and
,
or
and
bladder
overactivity
,
pylorospasm
and
,
and
-
induced
.
8
swallowing
nervousness
weakness
Bradycardia
Palpitations
diarrhea
vomiting
dysuria
Urinary
hesitancy
vision
constipation
mydriasis
cycloplegia
tachycardia
fever
nausea
flushing
blurred
GI
System
reactions
:
Dry
mouth
,
,
,
difficultiy
in
,
heartburn
,
and
CNS
reactions
:
headache
,
,
,
drowsiness
,
,
Nasal
congestion
,
Visual
reactions
:
,
,
,
photophobia
,
ocular
tension
Genitourinary
system
reaction
:
and
retention
,
.
Cardiovascular
system
reaction
:
,
(
after
low
doses
of
atropine
)
,
(
after
higher
doses
of
atropine
)
9
wakefulness
secretions
drowsiness
salivatory secretions
dry mouth
respiratory
atropine
benedryl
Sometimes
a
secondary
adverse
reactions
is
as
desirable
as
the
intended
use
.
An
example
of
this
includes
when
is
used
before
surgery
to
reduce
.
10
sweat
mental
prostration
flushing
tachycardia
fever
confusion
heat
During
hot
summer
months
,
clients
receiving
a
cholinergic
blocking
drugs
should
be
instructed
to
watch
for
signs
of
(
,
,
,
warm
dry
skin
,
)
because
these
drugs
inhibits
a
persom's
ability
to
.
11
myocardial
myasthenia
hypotension
failure
tachyarrhythmia
heart block
infarction
glaucoma
hypertension
gravis
bradyarrhythmia
heart
cholinergic
blocking
drugs
are
contraindicated
in
clients
who
are
hypersensitive
to
the
drugs
or
.
Other
clients
are
those
with
,
,
,
and
.
12
asthma
cold
hypertension
urinary
atropine
drugs
retention
infections
sleep
scopolamine
hyperthyroidism
GI
aids
atropine
renal
allergy
blocking
cholinergic
These
drugs
are
used
with
caution
in
clients
with
,
benign
prostatic
hypertrophy
,
,
,
hepatic
,
or
disease
,
and
.
Use
with
caution
in
clients
with
.
This
caution
applies
to
over
-
the
-
counter
preparations
available
for
the
relief
of
and
symptoms
and
as
to
induce
.
Some
of
these
products
contain
,
,
or
other
.
13
perfusion
constipation
prostration
mental
confusion
heart
impaired
pumping
xerostomia
comfort
tissue
dizziness
Injury
risk
Ineffective
heat
impaired
Drug
specific
nursing
diagnosis
include
:
related
to
(
drying
of
oral
secretions
)
related
to
slowing
of
peristalsis
of
GI
tract
related
to
,
drowsiness
,
,
impaired
vision
,
or
.
related
to
action
.
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