Med test 2
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Transcript of Med test 2
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CNS=brain and spinal cord
Adrenergic system, think adrenaline.Neurotransmitter=norepinephrine
Sympathomimetic= adrenergic agonist
Fight or flight
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Sympathetic Response
Pupils Dilate
Bronchodilation
Tachycardia
Blood vessel constriction
Relaxation of GI system
Bladder relaxes
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Parasympathetic System Cholinergic system
Neurotransmitter=acetylcholine
Cholinergic agonist
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When cholinergic system is activated:
Pupils constrict
Bronchioles constrict
Vessels dilate
Decreased HR
Increased peristalsis
Increased Salivation
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Cholinergic drug
Metoclopramide (Reglan)
To treat GERD, decrease nausea treats gastroparesis
Because it makes things move thru the gastric systemquicker, faster gastric emptying.
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Class: Cholinergic agonist
Drug: metocloprmaide (Reglan)
DISTONIC REACTION
USE: Treats gastroesophageal reflux disease and
gastroparesis (slow emptying of the stomach)
ASSESSMENT: Great for diabetic pts. Who sometimes
suffer with gastroparesis
MONITOR BOWEL SOUNDS!!!!
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Anticholinergic
Prototype drug=Atropine
From belladonna plant
Major uses:
Pre-op to decrease oral and respiratory secretions
Bradycardia-increases heart rate by blocking vagal
stimulation
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Antispasmodic, decreases peristalsis, part of drug
Lomotil
Atropine Side Effects
dry mouth
tachycardia
constipation
urine retention (caution for BPH)
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decrease perspiration
blurred visiondilates eyes(NOT for use inGLAUCOMA)
Class: Anticholinergic
DRUG: Atropine
USE: Reduces salivation, increases heart rate, dilates
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Positive inotropic effect- increases force
contraction
Negative inotropic effect-decreases force of
contraction
Positive chronotropiceffect- increases HR
Negative chronotropic effect-decreases HR
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Lanoxin (Digoxin)
Positive inotrope
Negative chronotrope
ACTION: increases force of contractions
decreases HR
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USE: HF, and dysrhythmias
Usually requires a loading dose
NARROW THERAPEUTIC RANGE- check serum levels
(normal 0.5-2)
Assess apical pulse for 1 full minute hold for
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Hypokalemia
Renal impairment (Monitor BUN and Creatinine
IV Administration
Teach pt. how to take own pulse and teach foods hi in K+.
Antidote= DIGIBIND
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CLASS: Cardiac glycoside
DRUG: Lanoxin (Digoxin)
USE: Treats CHF, atrial tachycardia, flutter or fibrillation
ASSESSMENT: Obtain drug hx, baseline pulse rate, asses
for signs and symptoms of digitalis toxicity
(anorexia, n/v, bradycardia, cardidysrhythmias, visual disturbances (halos)).
INTERVENTIONS: Check apical pulse -
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Check serum digoxin levels (0.5-2)
Check K+ levels (3.5-5.3)
SIDE EFFECTS: Anorexia, n/v, HA, blurred vision (yellow
green halos), diplopia, photophob
drowsiness, fatigue confusion.
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NITRATES
Nitroglycerin
SL, spray, topical, IV, patch (off period)
Nursing: Know BP
SE: hypotension, HA, dizziness
Sublingual: q5min x3, if no relief in hospital
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>move to morphine IV
Fresh supply q3 months, keep in dark bottle,
should feel tingle or bite.
CLASS: Nitrate class-opens vessels lowers
(antianginals)
DRUG: nitroglycerine
USE: to control angina pectoris (angina pain)
ASSESSMENT: Baseline VS, health and drug
(contraindicated for marked hypotension or a
myocardial infarction)
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INTERVENTIONS: Monitor VS, Have pt sit or lie down
when taking nitrate for the 1st time. Q5 min x3. Then offer
sips of water before giving sublingual. NO VIAGRA (severehypotension)
SE: n/v, HA, dizziness, syncope, weakness,
confusion, pallor, rash, drymouth
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RAAS System
Low BP sensed by body
Kidneys release rennin
Angiotensin I from liver
Converted to Andiotensin II by ACE
Adrenal glands secrete aldosterone (the Na+
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saver)
Save Na+ means Save H2O
Pituitary gland secretes ADH(no pee hormone)
Re-establish BP
BETA BLOCKERS
olols, alols, ilols
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Examples:
Beta IAtenolol (Tenormin)
Cavedilol (Coreg)
Beta 2 ( not for resp. pts)
Propranolo (Inderal) non selective
EBP: for HF to prevent remodeling of hea
dysrhythmias
BETA BLOCKERS
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Can be used for panic attacks
Situational anxiety
Inderal 90 min prior can decrease test anxiety
Decreases migraine HA ( action unknown)
Assess BP and Pulse
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CLASS: Beta-blocker
USE: Antidysrhythmnic and adrenergic blockers
ASSESSMENT: Health and drug hx, Baseline VS and ECG.
Check cardiac enzyme results
INTERVENTIONS: Monitor VS (hypotension can occur), IV
push or bolus-administer over 2-3 mins, Monitor ECH
SE: dizziness, nausea, HA, hypotension, diaphore
fatigue, constipation or diarrhea, occasionally impotence
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Calcium Channel Blockers verapamil (Calan)
nifedipine(Procardia)
diltiazem(Cardizem)
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amlodipine(Norvasc)
Assess Bp and P, hold for SBP
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Inhibits liver enzymes (CYP450) that would
metabolize drug
Interactions with grapefruit juice can last 72 hours
from as little as 8 oz of juice
Simvastatin (Zocor) 300% increase vs. atorvastatin
(Lipitor) 25%
Florida has highest incidence of problems
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ACE Inhibitors prils
Used to treat HTN
ACE=angiotensin converting enzyme
ACTION: drug does not let angiotensin I
convert to angiotensin II
Angiotensin II is a potent vasoconstrictor
Capoten (captopril), lisonopril, monopril
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DECREASES BP BUT NO EFFECT ON
PULSE!!!!!!!!!!!!!!!
ACE INHIBITORS
Used with DM and HTN
Prevents stroke, MI due to inflammation
Used for renal protection-decreases pressure in
glomerulus.
Why: angiotensin II increases inflammation,
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clots and resistance to insulin
PRILS AND K+
Prils can lead to hyperkalemia
MD can add a thiazide diuretic
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Other SE: cough (gender differences)
More with males!
DIURETICS
Used to decrease Bp-lose Na+ and water follows
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decreased BP
Used for edema-cardiac, renal or liver origin
Used to decrease fluid overload as with pulmonary
edema or increase intracranial pressure
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Loop Diuretics
Work in loop of Henle in kidney by inhibiting re-absorption of Na+
Client will void
Lost in urine: Na+, Cl-, H2O, Ca+, Mag+ and K+
Increase renal blood flow by 40%
OK to use with RENAL CLIENT
Furosemide (Lasix) 20mg, 40mg, 80mg
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LASIX: last 6 hours
KNOW K+ LAB
Give early in day
Daily wt, and I & O
Monitor specific labs
Assess lung sounds
Assess for edema
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Get up slowly assess for orthostasis
Monitor for Dig toxicity
Teach foods high in potassium
CLASS: Loop Diuretic
Drug: furosemide (Lasix) Duration: PO=6-8
IV=2hr
USE: To treat fluid retention/fluid overloaded caused
by CHF, renal dysfunction, cirrhosis, hypertension,
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THIAZIDE CLASS DIURETICS
Chemically related to sulfa: ASSESS FOR
SULFA ALLERGY
Hydrochlorothiazide (HCTZ)
Action: lose Na+, Cl-, H2O, K+
INCREASES Calcium, Glucose, Uric Acid
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Used for HTN and edema
NOT FOR EMERGENCY SITUATIONS
Client needs normal renal functioning
Caution with diabetics
THIAZIDE CLASS DIURETICS
Teach foods high in Potassium
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Daily wt, I&O
Give in AM
Assess glucose
Monitor for onset of gout
Assess for Dig Toxicity
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CLASS: Thiazide Class
USE: Increase urine output; treat hypertension
edema from CHF, hepatic cirrhosis, renal dysfunction
ASSESSMENT: Assess wt, vs, urine output, serumchemistry values for baseline, Check peripheral
extremities for edema. Drug hx
INTERVENTIONS: Monitor VS, serum electrolytes (K,
glucose, uric acid, cholesterol levels) S and sx of
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hypokalemia (muscle weakness, leg cramps, cardiac
dysrhythmias.
SE: orthostatic hypotension, dizziness,photosensitivity, electrolyte imbalances
OSMOTIC DIURETICS
Mannitol
Action: Increases oslmolality of plasma causing
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dieresis
Used: Treat increased ICP-cerebral edema and to
decrease IOP(glaucoma)
Potent K+ WASTER
ICU SETTING, assess serum osmolality
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CLASS: Osmotic Diuretic POTENT
DIURETIC
USE: Prevents kidney failure, decreases intracranialpressure (ICP), decreases intraocular pressure (IOP). Used
in emergency situations such as head injuries
SE: fluid and electrolyte imbalance, pulmonary edema from
rapid shift of fluids, n/v, tachycardia from fluid loss,acidosis
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K+ sparing diuretics
Aldosterone-sodium saver
These drugs are aldosterone antagonist
ACTION: promote NA+ and water excretion
Spironalactone(Aldactone)
SE: hyperkalemia, need adequate renal function,
assess K levels
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Used for long term control of FVE as with cirrhosis of
liver
NO salt substitutes (they are hi in K)
Daily wt
I & O
For all client on all diuretics-need low salt diet
CLASS:K+ sparing diuretic
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DRUG: sprionolactone (Aldactone)
USE: Reduce body fluid and sodium
ASSESSMENT: Drug hx especially K supplements or
salt substitute, baseline vs and serum levels
INTERVENTIONS: Monitor urinary output, Monitor vs,
Observer for signs and symptoms of hyperkalemia
SE: photosensitivity, rash, dizziness, weakness
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Medications for circulatory
disorders
Blood Stasis aggregation of platelets blood
coagulates thrombus will form inhibits blood flow
COULD LEAD TO MI, DVT, OR PE
Why older adult may take ASA 81-325 mg daily
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Heparin
Subcut, IV
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Can be used for prophylaxis or for acute event
Prolongs clotting time
LAB: PTT partial thromboplastin time
Therapeutic is 1.5-2.5xbaseline
ANTIDOTE=protamine sulfate
Assess for bleeding, use soft toothbrush,
electric shaver
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CLASS: Anticoagulants
DRUG: Heparin
USE: Prevents blood clotting
ASSESSMENT: Health hx, Drug hx, Baseline labs (PTT 60-
70) (aPTT 20-40)
INTERVENTIONS: Monitor vs (increase pulse rate followed
b d d li i di fl id
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by a decreased systolic pressure can indicate a fluid
volume deficit-external or internal bleeding)
ANTITDOTE: Protamine NOSE: bleeding, itching, burning
LMWH
Wt. based enoxaparin (Lovenox)
Used post op for DVT prevention or for acute event
Lower risk of bleeding
Can teach client how to self inject for home use
f bl di
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Assess for bleeding
CLASS: Anticoagulants/ low-molecular weight heparin
DRUG: enoxaprin (Lovenox)
USE: For thromboembolism, prevents and treats DVT and
pulmonary embolism
SE: bleeding
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Warfarin (Coumadin)
Oral
Inhibits hepatic synthesis of Vitamin K dependant
clotting factors
Used for chronic A-Fib, prosthetic heart valves,
chronic anticoagulation needs
LAB PT ith INR
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LAB: PT with INR
Therapeutically thin when INR 2-3
ANTIDOTE: Vitamin K parenterally
Has long half life
Highly protein bound
SE: assess for bleeding-stools, GI
AVOID NSAIDS
AVOID foods rich in Vitamin K
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CLASS: anticoagulant
DRUG: warfarin (Coumadin)
ASSESSMENT: Baseline labs (PT 11 12 5) and (INR2 3)
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ASSESSMENT: Baseline labs (PT 11-12.5) and (INR2-3)
ANTIDOTE: Vitamin K
SE: anorexia, n/v, diarrhea, abdominal cramps, rash, fever,
bleeding
ANTIPLATELET MEDICATIONS
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ANTILIPEMICS (lipid lowering)
Cholesterol lab testing-need fasting blood sample
Total Cholesterol 60)
LDL-lethal cholesterol (want
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Triglycerides-high triglycerides mean more
arthersclerosis
Try non-pharmacological reduction: decrease fats,exercise, lower BP, stop smoking (smoking raises
LDL)
STATINS HmG-CoA reducatase in liver
Lovastatin (Mevacor)
Simvastatin (Zocor)
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Simvastatin (Zocor)
Atorvastatin (Lipitor)
Pravastatin (Pravachol)
Rosuvastatin (Crestor)-strongest boost of HDL
Statins inhibit HmG-CoA reductase which is
responsible for production of LDL-which is produced
primarily at night
Statins work best when taken at bedtime: Exception
is Lipitor
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STATINS
MD will start with dose that decreased LDL by 30-
40% (so in this case dose will start high)
Statins reduce total cholesterol
Decrease plaque formation and prevents rupture
Shrink plaque to prevent stroke
Anti-inflammatory effects
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May need to reduce does but not stop med
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May need to reduce does but not stop med
Assess CPK, AST, and ALT
No grapefruits or grapefruit juice
Dont stop med abruptly-stopping abruptly can cause
cholesterol levels to rise
LOWERING TRIGLYCERIDES
Triglycerides-increase risk for heart disea
neuropathy, and fatty liver
New me Lovaza(Reliant)
Omega 3 fish oil
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Omega 3 fish oil
Eat fish or take 1000mg of fish oil
Ezetimibe (Zetia) lowers triglycerides
Zetia works in GI tract to inhibit chol absorption,
usually combined with statin for optimum effect
Exetimibe+simvastatin=Vytorin
CLASS: antilipemics/anticholesterol TOXIC TO
LIVER
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SKELETAL MUSCLE RELAXANTS
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(CENTRALLY ACTING)
Uses: muscle spasm, and disease characterized by
involuntary motor activity
Depressess CNS
Carisoprodol (Soma)
Cyclobenzprin (Flexeril)
Metaxalone (Skelaxin)
SE: drowsiness NO ALCOHOL
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MUSCLE RELAXANTS
Taper to off-do not stop abruptly
For short term use-3 weeks or less
Take with food to decrease GI upset
Do not operate car or machinery
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SKELETAL MUSCLE RELAXANT
(DIRECT ACTING)
Drug: dantrolene (Dantrium)
Potent muscle spasm relaxer, direct effect on muscle
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If treatment is needed for > 8 weeks
Start with lowest does and increase only if needed
MS, spinal cord injury
Potential for liver toxicity=hepatotoxic
Used to treat malignant hyperthermia(increased
temp during surgery)
CLASS: Centrally acting-skeletal muscle relaxants
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DRUG: Carisoprodol (Soma)
USE: To relaz skeletal muscles (for acute or severe)
ASSESSMENT: Medical hx(contraindicated for pts
severe renal or liver disease, glaucoma, myasthenia gravis)
Baseline vs Health hx to identify cause (acute or chronic)
INTERVENTIONS: Monitor serum liver enzyme, record vs,
Observer for CNS side effects (dizziness)
SE: n/v. dizziness, weakness, insomnia, asthmatic attack,
tachycardia, hypotension, diplopia(double Vision)
DRUG: Flexeril
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USE: Short term tx of muscle spasms
INTERVENTIONS: Offer with food to avoid GI upset
SE:GI UPSET
CLASS: Peripherally acting-skeletal muscle relaxant
DRUG: dantrolene(Dantrium)
USE: For chronic neurologic disorders causing spasms such
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as spinal cord injuries, stroke, MS
AVOID ALCOHOL WITH CNS DEPRESSANTS.
ANTIHISTAMINES (H1 BLOCKERS)
Histamine is chemical mediator stored in mast cell
that causes part of allergic response
Action: compete for histamine receptor site to
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decrease nasopharyngeal secretions
Have anticholinergic properties (urinary retention,dry secretions, dry mouth) CAUTION: with BPH and
glaucoma
SE: drownsiness
Prototype: diphenhyramine (Benadryl)
Assess for urinary Retention
H1 BLOCKERS
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CNS depression
Do not mix with alcohol, narcotics
Can also use nasal inhaler
2nd
generation H1 BLOCKERS Loratadin (Claritin)
Fexofenagine (Allegra)
More specificity=less sedation
Use before allergy onset
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CLASS: H1 Blockers (Antihistamines)
DRUG: Dephendydramine(Benedryl)
USE: Treats allergic rhinitis, itching, prevents m
sickness;sleep aid: antitussive
ASSESSMENT: Baseline vs, Drug hx, Assess for s& sx of
urinary dysfunction(retention, dysuria, and frequency), CBC
Cardiac and Respiratory status
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CLASS: 2nd Generation antihistamines
DRUG: Allegra
USE: Treats allergic rhinitis and rhinorrhea
MISC: Has less sedative effect
DRUG: Claritin
USE: Relief of allergic rhinitis and urticaria
MISC: Long acting
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DRUG: Zyrtec
USE: For allergic rhinitis
MISC: Has few anticholinergic effects.
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SE: restless, tremors, HA, elevated BP, elevated
glucose
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glucose
Nasal spray overuse causes rebound nasalcongestion
BEWARE with HTN or cardiac history
Pseudoephedrine can cause MI, stroke due to HTN
BEWARE cold preparations-look at ingredients
For stuffy ear in airplane-nasal inhaler can help
decrease ear pain
CLASS: Decongestants
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DRUG: pseudoephedrine (Sudafed)
USE: allergic rhinitis
ASSESSMENT: Drug hx, health hx (contraindicated or
cautioned in pts with hypertension, cardiac disease,
hyperthyroidism, and diabetes
SE: jittery, nervous restlessness, hypertension,
increased blood glucose levels
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CLASS: Decongestants
DRUG: nasal sprays
USE: Stimulate the alpha-adrenergic receptors, thus
producing vasoconstriction of the capillaries within the
nasal mucosa (shrinks the nasal mucous and
membranes and reduces fluid
MISC: Frequent use can result in tolerance and rebound
nasal congestion(rebound vasodilatation instead of
vasoconstriction)
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RESPIRATORY
EXPECTORANTS ANTITUSSIVES
Loosen Bronchial secretions
cough center in
Hydration is best expectorant
DRUG: guaifenesin-take with full
cough may be good
Glass H2O. Give before meal.
Narcotic:codeine
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Narcotic:codeine
Non-narcotic-dextromethrophan
Give
after meal.
CLASS: Expectorants
DRUG: guaifenesin
USE: For dry, unproductive cough
ASSESSMENT: Take with glass of water to loosen mucus
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SE: n/v
CLASS: Antitussive
DRUG: codeine narcotic
USE: suppresses the cough reflex
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reduces viscosity of tenacious secretions
ASSESSMENT D h t i di t d ith COPD
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ASSESSMENT: Drug hx, contraindicated with COPD,
pulmonary disease, chronic productive cough,
hypersensitivity, MAOIs
MISC: DO NOT USE ALCOHOL
SE: nausea, dizziness, drowsiness, sedation
SHORT ACTING BETA 2 AGONIST (SABA)
Asthma-bronchial constriction and inflammation
Albuterol (Proventil)
Fast acting rescue inhaler
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Action: bronchodilation
SE: nervous, tremor, tachycardia
Teach client to carry at all times
Monitor HR
Teach correct use of inhaler (spacer)
WAIT 1 MINUTE FOR SECOND PUFF
Levalbuterol (Xopenex) for hand held nebulizer
treatments
LONG ACTING BETA AGONIST
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LONG ACTING BETA AGONIST
(LABA)
Salmeterol(Serevent)
Bronchodilation
Slow onset-long duration
NOT FOR ACUTE ATTACK
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PREVENTIATIVE MEDS
ANTICHOLINERGICS: block parasympathetic system
to allow SNS to dominate
RESULT:brochodilation
RESULT: anticholinergic effects-decreased secretions
SHORT-ACTING INHALER: ipratropium (Atrovent)
LONG ACTING INHALER ti t i (S i i )
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LONG ACTING INHALER: tiotropium (Spiriva)
PREVENENTATIVE ANTI-INFLAMMATORY
MEDS
Inhaled corticosteroids-take daily
Fluticasone (Flovent)
Ri th ft t id i h l
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Rinse mouth after steroid inhaler
(Bronchodilator 1st
, Steroid 2nd
)
NSAID inhaler-daily for prevention
Cromolyn (Intal)
Stabilizes mast cells
Leukotriene antagonist- daily
Montelukast (Singulair)
Monitor liver enzymes
Inhaled acetylcysteine (mucomyst)
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Inhaled acetylcysteine (mucomyst)
Mucolytic
Decreases thickness and stickiness of
secretions
Have suction available, assess resp. status
Beware nausea and vomiting in client due to
secretions
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CLASS: Mucolytics
DRUG: mucomyst
USE: act like detergents by liquefying and loosening thickmucous secretions
INTERVENTIONS: Do not mix with other drugs
SE: n/v, stomatitis (oral ulcers), runny nose
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CLASS: NSAID inhaler
DRUG: Cromolyn (Intal)
USE: For chronic asthma and prophylactic use. Suppresses
inflammation in the bronchial tube; does not have broncho-
dilating effects. Precent the release of histamine.
ASSESS: Administer by inhalation
INTERVENTIONS: Must be taken daily
SE: cough, bad taste
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CLASS: leukotrience modifiers.
DRUG: Singulair
USE: Prevention and maintenance tx of asthma
ASSESS: Health hx (caution in pts with severe liverdisease) Check liver function test.
SE: HA, dizziness, fatigue, nasal congestion, cough,
sorethroat, dental pin, influenza, dyspepsia, abdominal
pain, rash
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METHYLXANTHINE CLASS
Theophylline (Theo-Dur) PO
Aminophylline IV
Acts like caffeine
Action: smooth muscle relaxation of resp system
USE: asthma, COPD
Stimulates CNS leads to dieresis tremors cardiac
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Stimulates CNS, leads to dieresis, tremors, cardiac
dysrthymias
THEOPHYLLINE (cont)
PO theophylline (Theo-Dur)
Narrow therapeutic index 10-20 mcg/ml
Monitor serum drug levels
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Monitor serum drug levels
IV aminophylline- use pump and give slowly
Smoking increases metablosim of drug
NURSING: monitor lung sounds, adequate
hydration, avoid caffeine, assess for excessivecardiac and CNS response
CLASS: methylxanthine
DRUG: Theophylline (PO)
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p y ( )
USE: Promotes bronchodilation, treats asthma and COPDASSESSMENT: Monitor theophylline serum frequently (10-
20)
INTERVENTIONS: Pt. should avoid caffeinated products and
increase fluid intake
SE: anorexia, n/v, gastric pain, intestinal bleeding,
nervousness, dizziness, HA, irritability, cardiac
dysrhythmias, tachycardia, palpitations, marked
hypotension, hyperreflexia, seizures , adverse CNS
reactions
CLASS: methylxanthine
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y
DRUG: amniophilline (IV)
USE: Promotes bronchodilation, treats asthma and COPD
ASSESSMENT: Rapid IV administration can cause dizziness,
flushing, hypotension, severe bradycardia, palpitations
CORTICOSTEROIDS
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CORTICOSTEROIDS
Prednisone
inflammatory
Cortisone
in ONE!!!!!!
Dexamethasone- inflammation of the brain
Steroids used for: inflammatory conditions
(autoimmune disorders), allergic reactions, prevent
organ rejection
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GLUCOCORTICOIDS
Hydrocortisone cream: allergic and inflammatory
conditions (topically)
Fluticasone (Flovent): inhaled to decrease
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inflammation in lungs
Prednisone (PO): suppress immune system, anti-
inflammatory
Methylprednisolone (Solu-medrol): IV
Dexamethason (Decadron): IV to decrease swelling in
brain
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STEROIDS
Mineralocorticoid effect: salt retaining property
Na+ and H2O retention, Increase BP,
K+ loss
Glucocorticoid effect: anti-inflammatory
INCREASE GLUCOSE
Decreases immune system
Affect carbohydrate, protein, and fat metabolism
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Altered fat deposit: moon face and buffalo hum(longterm use, think end stage COPD pt)
Protein-muscle wasting, paper thin skin
SIDE EFFECTS OF STEROIDS
From high does or long term use
Increased blood glucose
Abnormal fat deposits
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Muscle wasting
Sodium and water retention
Demineralization of bone
K+ loss
Increases susceptibility to infection
Delayed wound healing
GI irritation
SE cont.
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Steroid iduces psychosis, mood changes
Sleep disturbance
Stunted growth in adolescents
No live virus vaccinations
Caution with diabetics, NSAID use, K+ wasting
diuretics
Taper to off-no abrupt discontinuation
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NURSING CONSIDERATIONS
OF STEROIDS
Teach to take as prescribed
Daily wts, and report gain
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Assess BP, I and O, edema
Low salt diet
Assess blood sugar
Protect self from infection, assess for
infection
Protect frail skin-PAPER TAPE
Give with meal to avoid GI upset
WT. bearing , calcium, Vit D to prevent bone
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loss
Sleep routine
Teach possible mood swings
Teach to taper long term use, do not stopabruptly
Cope with body image changes
CLASS: Steroids
USE: inflammation
ASSESSMENT: health and drug hx
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INTERVENTIONS: use with caution in diabetic patients
SE: increase glucose and sodium. Decrease K+, moon face,
buffalo hump
ANTIEMETICS Vomit=emesis
Antiemetic=anti-vomit drug
Chemoreceptor trigger vomiting center in
medulla
I l l i N&V
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Inner ear plays a role in N&V
NON-PRESCRIPTION FOR
NAUSEA
Antihistamines and antiemetics
Dimenhydrinate (Dramamine)
For motion sickness-take 30 min prior to travel
Meclizine (Antiver): used for vertigo
Many of these meds have anticholinergic properties
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ANTI EMETICS
Prescription antihistamines:
Hydroxyzine (Vistaril)
SE: drowsiness
Anticholinergic class
Scopolamine (Transderm-scop) patch
behind ear
Great for motion sickness
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Effective for 3 days
ANTI EMETICS
Phenothiazine class: Inhibit CTZ in medulla
Promethazine (Phenergan)
Sedative effect
Also have antihistamine and
anticholinergic effects
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anticholinergic effects
Drowsiness, dry mouth, urine retention,
constipation
BEWARE DISTONIC EFFECT
Serotonin receptor antagonist: blocker
serotonin receptors in CTZ, and vagal nerve in
GI TRACT
Ondansetron (Zofran)
ANTIDIARRHEALS
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Assessment: hyperactive bowel sounds
Important due to loss of fluid and electrolyte
imbalances
Try Gatorade and Pedialyte
MD may want stool for culture and O and P
Opiate related medications
Loperamide (Immodium)- OTC
Diphenoxylate (Lomotil)-presecription
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Opiates decrease peristalsis
Chemically related to opiates
Lomotiol also 50 % atropine to decrease
secretions and discourage abuse
LAXATIVES
Try nonpharmacological ways to prevent
constipation: fluids, fiber, activity, privacy
Osmotic Laxative: hyperosmolar salts pull water into
colon increase bulk and peristalsis
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colon, increase bulk and peristalsis
Sodium salts: phosphor-soda
Magnesium salts: MOM, magnesium citrate
K+ salts
Result: loose, watery stool, good for bowel cleansing
for testing
SE: abdominal cramping, diarrhea
OSMOTIC LAXATIVES
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GoLYTELY: has electrolytes added-
isotonic
Used for bowel prep
3-4 liters over 3 hours
Best when cold
Want stool to be clear prior to
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irritating sensory nerve ending
Bisacodyl (Dulcolax)
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SE: N & V, abdominal cramps
Good for bowel prep
Bulk forming laxative=natural fiber
Large soft stool
Mix and bedside, drink
immediately, follow with full glass
of water
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Used with narcotic, after surgery,
after MI, no straining
Simethicone-anti gas only
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S e co e a gas o y
Pink tablet-chew
Mylicon
Used with babies too.
PEPTIC ULCER DISEASE
(PUD)
Peptic ulcer: can be esophagus, stomach, duodenum,
GI tract
HCl secreted from paretal cells of stomach
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p
Pepsin=digestive enzyme activated at pH of 2
Ulcer=loss of mucosal barrier
Helicobacter Pylori (H-pylori) Linked to PUD when ulcer not caused by NSAIDS
Noninvasive breath test can detect H-pylori
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Nicotine relaxes sphincter so easier to reflux
Acoid spicy, greasy foods
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Elevate HOB
Sit up with meals and after
No eating prior to bed
Loose clothing at waist
PROGRESSION
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Antacids=good
H2 antagonist=better
Proton pump inhibitor=best
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ANTACIDS
Action: neutralize existing stomach acid
Take 1 hr prior and 3 hrs after meal and at bedtime
Liquid antacid take with water so it reaches stomach
DO NOT MIX ANTACIDS WITH OTHER MEDS
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ANTACIDSMAGNESIUM BASED ALUMINUM BASED
Maalox Amphojel
Mylanta
Constipation
SE: Diarrhea
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phosphate, used
Maaloz combines both
renal clients to
Magnesium and aluminum to
eliminate
Counter act diarrhea and constipation.
Phosphorus.
ANTACIDS
CALCIUM BASED SODIU
BICOARBONATE
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Calcium carbonate
Seltzer
Tums
Constipation
Constipation
Systemically absorbed
Tumes use to increase Ca
metabolic acidosi
For osteoporosis and in
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cause hypernatrem-
Renal clients. BEWARE:HYPERCALCEMIA!! ia
H2 BLOCKERS
Histamine receptor antagonist
Used to prevent and treat ulcers and GERD
Action: decreases gastric acid secretion by inhibiting
H2 receptors in stomach
Cimetidine (Tagamet)
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Ranitidine (Zantac)
Famotidine (Pepci)
Nizatidine (Axid)
Take prior to meal and at bedtime.
H2 SIDE EFFECTS
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PROTON PUMP INHIBITORS (PPIs)
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Action: suppress gastric acid secretion by inhibitingATPase enzyme system in gastric parietal cells
Inhibit gastric acid secretions 90% better than H@
antagonist.
Omeprazole (Prilosec)
Lansoprazole (Prevacid)
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Blocking acid production decreases release of
intrinsic factor which is needed to bind to B12.
Acid also kills food borne pathogens
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PPI use increase risk of food born illness.
PPI AND B12
Need acid to absorb iron
of PPI- B12
B12 stored in liver for 5 years M
supplement
OTHERS
PEPSIN INHIBITOR
PROSTAGLANDIN ANALOGUE
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Sucralfate (Carafate)
Prostaglandin
Adheres to ulcer to protect it Misoprosto
Does not decrease acid
Take 1 g QID(before meals For c
NSAIDS
And at bedtime)
O C
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ORAL ANTIDIABETIC Oral hypogylcemics used for Type II diabetes
Pancreas still producing some insulin
Key to all oral hypoglycemic is to read the action of
drug- are they working on pancreas to stimulate
more insulin or working in the liver to decrease
hepatic production of glucose
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CLASS: SULFONYUREAS
Assess for allergy to sulfa
Stimulates pancreatic beta cells to secrete insulin
Glimepiride (Amaryl)
Glipzide (Glucotrol, Glucotrol XL)
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May be combined with other oral hypoglycemic
meds.
Withhold 48 hrs before and after test using IV
t t d l ti id i d l f il
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contrast dye, lactic acidosis and renal failure maydevelop!!!!!!!!!!!!!!!!!