Shared Flashcard Set

Details

Pharm Cardiac Drugs
Pharm review
148
Nursing
Undergraduate 3
10/25/2013

Additional Nursing Flashcards

 


 

Cards

Term
Which drug classification is Digoxin?
Definition
Cardiac Glycoside
Term
What is another name for Digoxin?
Definition
Lanoxin
Term
What are the 3 actions of Digoxin?
Definition
Chronotropic Effect > Decrease HR
Inotropic Effect > Improve Contractility
Indirect effect on kidney > increases renal blood flow
Term
What are the uses for uses for Digoxin?
Definition
1. Congestive heart failure
2. Atrial & Supra-Ventricular arrhythmias
3. Atrial Fibrilations
Term
What is the dose for Digoxin?
Definition
0.125mg - 0.25mg/day
Term
How often should you give Digoxin?
Definition
Once a day or QOD (everyotherday)
Term
What is the half life of Digoxin?
Definition
36 hours
Term
Where is Digoxin excreted?
Definition
The Kidney's....if the kidney's are bad, give it every other day (QOD)
Term
What is the nursing implication for checking apical pulse with Digoxin?
Definition
With hold if heart rate is under 60 beats/min
Term
Who is digoxin toxicty common in?
Definition
-The eldery
-People with low serum Potassium (K+)
-Acid-base imbalance
-Hypoxemia
Term
What are the sxs of Digoxin toxicity?
Definition
-Anorexia
-N & V
-Visual disturbances (yellow-green halo's)
-Arrhythmias --> brady/PVC
-EKG Changes
Term
Which measurment device should you use for accurate measurement of Digoxin?
Definition
Syringe
Term
What is the Antidote for Digoxin?
Definition
Digibind
Term
Do you give a loading dose with Digoxin?
Definition
Yes
Term
Which electrolyte should you check when a patient is on Digoxin?
Definition
Potassium (K+)
Term
What is the use of Heparin?
Definition
To Prevent new clots from forming, but DOES NOT dissolve clots
Term
What is the name for "mini dose" Heparin?
Definition
Lovenox
Term
Who might Heparin be used on?
Definition
Immbolized & post-surgical patients.
Ex. Hip/knee joint replacements
Term
What is the action of Heparin?
Definition
Interferes with conversation of prothrombin --> to thrombin
Term
Which is faster acting, Heparin or Coumadin?
Definition
Heparin
Term
How would you check if Heparin is working?
Definition
PTT (Partial Thromboplastin Time)
PTT Value should be double the time for clotting; if a patient normally clots in 30 seconds, it should take him/her 60 seconds on Heparin
Term
What measurement is Heparin usually given in?
Definition
Units
Term
What is the Antidote for Heparin?
Definition
Protamine
Term
What should you do if patient is getting IV Heparin?
Definition
Standby the patient to notice if you need to give Antidote
Term
What should you ALWAYS do if giving Heparin?
Definition
Double CHECK dose
Term
What are some implications for Sub Q Heparin?
Definition
Rotate sites daily or every dose
DON'T rub injection site; causes bruising
DON'T aspirate or pull back plunger when inject drug
Use precise calibrated syringe
Double Check dose
Term
Which route does Heparin NOT absorb well with?
Definition
Oral
Term
What are some implications for Heparin during Continuous IV?
Definition
-Calibrated infusion pump for IV
-NEVER mix ATB or other medication with IV; incompatibility
Term
When can you use Heparin in addition to post-op patients?
Definition
Open heart surgery
Bypass machines
Dialysis
Term
Which anti-coagulants is used for long term treatment?
Definition
Coumadin (Warfarin)
Term
Which route is Coumadin taken?
Definition
Oral/Pill ONLY
Term
How long is Coumadin's(warfarin) half life?
Definition
36 hours
Term
When should you start Coumadin?
Definition
1-2 days BEFORE Heparin infusion stopped
Term
What the actions of Coumadin?
Definition
Interferes with clotting factors (Vitamin K synthesis in liver)
-This is why alcoholics bleed a lot; can't clot well b/c can't produce Vitamin K
Term
What are the side effects of Anticoagulants?
Definition
BLEEDING! Any site, anywhere, is possible (can be internal or external)
Term
What happens if patient is on too much Coumadin?
Definition
The patient will bleed easily
Term
What is the Antidote for Coumadin?
Definition
Vitamin K
Term
Which test is most accurate for a patient on Coumadin?
Definition
INR (International Normalized Ratio) = MORE ACCURATE than PT
Term
What does it mean when a patients Coumadin PT time is more than 2x?
Definition
They are on a higher dose which can lead to easy bleeding
Term
How long does it take for Coumadin to get to therapeutic levels?
Definition
2-3 days
Term
General implications of Anti-Coagulants?
Definition
1.Avoid ASA; thins blood
2. NO straight edge razors (use electric)
3. Use soft bristle or cotton swab toothette
4. MEDIC-ALERT BRACELET
5. Check with Dentist/Dr. before dental work/surgery
6. AVOID during pregnancy & birth control pills (BCP)
7. Never give IM! Or other injections because of bleeding
Term
Ho long should you put pressure on venipuncture site while on an anti-coagulant?
Definition
TWICE as long (3-5min)
Term
What can happen if patient is on Steroids while taking anti-coagulants?
Definition
GI ulcers/bleeding
Term
What are the Observations for bleeding sites while on anticoagulants?
Definition
-Nosebleed (Epistaxis)
-GI -> vomiting
-Black tarry stool/Emesis
-NO IM injections b/c CAN'T STOP bleeding after venipuncture
-Internal bleeding
-Blood in urine(Hematuria) or tissues
Term
Are all Heparin bottle sizes the same doses?
Definition
No, although they come in the same bottle, the units may differ significantly
Term
Should you take ASA with anti-coagulants?
Definition
No, it thins the blood
Term
Should you use a straight edge razor while on anti-coagulants?
Definition
No, can cause bleeding
Term
Should you take anti-coagulants during pregnancy or when on BCP
Definition
No
Term
Why should you take precautions for Steroid use while on anti-coagulants?
Definition
Risk of GI Ulcers/bleeding
Term
Which drug classification does Nitrates fall under?
Definition
Vasodilators
Term
What 3 drugs fall under Nitrates?
Definition
-Nitrates
-Isordil
-Amyl Nitrate (inhaled)
Term
What are the routes for Nitrates?
Definition
-Sublingual (faster than oral)
-Skin patch (transderm Nitro patch)
-Paste (Nitroglycerin ointment)
-IV (continuous gtt.)
Term
What are the actions of Nitrates?
Definition
-Dilation of blood vessels --> distal blood flow circulation improves & decreases the hearts workload (if no peripheral resistance, blood pools in extremities)
-Decreases BP -->reflex stimulus of increase rate of contraction/HR
Term
What are Nitrates used for?
Definition
-Angina pectoris (decreases duration & intensity of pain)
-Prophylactically = decreases frequency of anginal attacks
-Prevent/delay MI onset
Term
What are 6 side effects of Nitrates? (Think of the action)
Definition
-Flushing (from vasodilation)
-Throbbing HA (from vascular congestion of cerebral blood vessels)
-N&V (from blood being diverted)
-Faint, dizzy (from decreased BP)
-Reflex tachycardia (from decrease pressure in aortic/carotid sinuses = compensatory mechanism)
-Orthostatic hypotension (from vasodilation)
Term
What are Nitrates susceptible to?
Definition
Moisture and Light
Term
How long is the medication good for?
Definition
3 months
Term
What should you check when patient is on Nitrates?
Definition
Blood pressure
Term
What are the implications for Nitrates when given sublinqual?
Definition
-Lie Down & stop activity
-Wait 5 minutes until chest pain goes away
-If pain hasn't gone away, take 2nd nitrate
-If still in plain, DON'T drive to hospital --> Call 911!!!!
Term
What are the nursing implications for Nitrates when given in skin patch form?
Definition
-Measure in inches, NOT mg
-Put on non-hairy area
-Remove old patch to AVOID double-dosing
-Longer-term absorptioin
-Common side effect: Headache --> Don't stop Nitro,; give Aspirin
-Pt can get drug tolerance if kept on patch all day --> take off for 12hrs
Term
What are the implications for Nitrates when given in paste form?
Definition
-Wear gloves --> if nurse get on hands, will get Headache
-Short 1/2 life
-give every 4-6hrs
Term
When would you give Nipride IV?
Definition
When a patient is about to have a heart attack. It decreased pre & afterload
-For acute heart attacks
Term
What drug classification is Beta- Blockers?
Definition
Anti-Hypertensives
Term
What drug classification is Alpha Blockers?
Definition
Anti-Hypertensives
Term
What drug classification is Ca2+ Channel Blockers?
Definition
Anti-Hypertensives
Term
What drug classification is ACE Inhibitors?
Definition
Anti-Hypertensives
Term
What drug classification is Smooth Muscle Relaxer?
Definition
Anti-Hypertensives
Term
What drug classification is Central Brainstem ACtion/Central acting alpha agonsits?
Definition
Anti-Hypertensives
Term
What drug is Propranolol (inderal), Atenolol, Timolol, Metoprolol (Lopressor), & Nadolol (Corgard)
Definition
Beta-Adrenergic Blocker
Term
What drug is Prazosin (Minipress)?
Definition
Alpha-Adrenergic Blockers
Term
What is the action of Alpha Blockers (Prazonsin/Minipress)?
Definition
Blocks vasocontriction
Term
What is the action of Beta Blockers?
Definition
Lowers CO & HR; thus decreases coronary blood flow & 02 to the heart (it decreases the amount of 02 the heart requires, so that the heart doesn't pump as hard)
Term
What are the uses for Beta Blockers?
Definition
Angina(chest pain) b/c decrease 02 consumption & Myocardial demand/makes heart work less hard
-High BP
-Migraines
-After MI = "Cardioprotective" b/c blocks stimulation of catecholamines
Term
Which side effects might you find with Beta blockers?
Definition
-Orthostatic hypotension
-With multiple meds, watch for cumulative anti-hypertensive effects
-Decrease in renal blood flow (i.e decreases urine output, weight gain)
-Sedation
-Decreases sexual performance (because of vasocontriction)
-Impaired ejaculation & gynecomastia
-Increased blood sugar (NOT for diabetics)
Term
Who is beta blockers contraindicated for?
Definition
Asthmatics: b/c blocks "BETA" effect and sever CHF --> cause bronchoconstriction
Term
What are the implications for Alpha blockers?
Definition
-Watch for orthostatic BP
-NO OTC meds (cold meds)
-AVOID caffeine
-DON'T stop abruptly
Term
What is Calcium channel blockers used for?
Definition
-Essential HTN(hypertension)
-Angina
-Arrhythmias (atrial tachycardias)
Term
What are the actions for Calcium Channel Blockers?
Definition
-Inhibit Ca2+ influx in the heart cells
-Blocks contriction --> causing vasodilation
-Lowers BP & peripheral resistance
Term
What are the side effects of Ca2+ channel blockers?
Definition
-Same as Beta blockers
-Orthostatic hypotension
-With multiple meds, watch for cumulative/additive effects (decreases BP too low)
-Decreases renal blood flow (i.e. decreases urine output, weight gain)
-Sedation
-Decreases sexual performance (b/c vasocontriction)
-Impaired ejaculation & gynecomastia
Term
Which three drugs have the following same side effects?
-Same as Beta blockers
-Orthostatic hypotension
-With multiple meds, watch for cumulative/additive effects (decreases BP too low)
-Decreases renal blood flow (i.e. decreases urine output, weight gain)
-Sedation
-Decreases sexual performance (b/c vasocontriction)
-Impaired ejaculation & gynecomastia
Definition
Beta blockers, calcium channel blockers, ace inhibitors
Term
What drugs do...______...fall under?
Verapamil (Calan)
Diltiazem (cardizem SR)
Nifedipine (Procardia)
Definition
Calcium Channel Blockers
Term
What drugs do Captopril(Capoten), & Enalapril(Vasotec), fall under?
Definition
ACE Inhibitors
Term
What are the actions of ACE Inhibitors?
Definition
-Inhibits formation of Angiotensin II
-Decreases aldosterone secretion
-Inactivates bradykinin
Term
What are the uses for ACE Inhibitors?
Definition
-HTN (if normal kidney function)
-1st line of drug: CHF
-Decreases workload of failing heart
-Decreases pre and afterload
Term
What are the side effects of ACE Inhibitors?
Definition
-Same as Beta blockers
-Orthostatic hypotension
-With multiple meds, watch for cumulative/additive effects (decreases BP too low)
-Decreases renal blood flow (i.e. decreases urine output, weight gain)
-Sedation
-Decreases sexual performance (b/c vasocontriction)
-Impaired ejaculation & gynecomastia
Term
What drugs do Hydralazine & Minoxidil fall under?
Definition
Smooth Muscle Relaxers
Term
What drugs do Clonidine (Catapress) & Methyldopa (Aldomet) fall under?
Definition
Central Brainstem Action / or Central acting alpha adrenergic agonists
Term
What are the actions of CBA (Central Brainstem Action)
Definition
-Direct effect to lower BP by supressin sympathetic action = decreased HR & peripheral resistance
-DON'T interfere with CV blood vessel
Term
What should you watch when on IV Nitroglycerin compounds such as nitroprusside infusion (Nipride)?
Definition
-LIFE THRATENING --> BP = 260/140
-Must be on BP monitoring machine for constant monitoring
-MUST be on IV infusion pump for concise accurate delivery of drug IV
-Usually for ICU/ER
Term
Why use Multiple BP meds?
Definition
-Various sites of action
-Lower doses possible with several types
-With several, sometimes can offset side effects of other
Term
When should you typically give anti-hypertensive medication?
Definition
Give in the Evening to AVOID daytime sedation
Term
With anti-hypertensive, when should you call the doctor for a different treatment?
Definition
When there are unwanted side effects like impotence
Term
When should you hold BP medication?
Definition
When systolic is <90 (or 30 mmHG
Term
When a patient is on BP medication and has a dry mouth, what should you do?
Definition
DON'T give extra fluids
Term
Should you ever stop BP medication abruptly?
Definition
NO! b/c rebound BP increases
Term
What should you do if you forget to give patient BP med on time?
Definition
DON'T Double DOSE! take the regular dose next time
Term
How should you start BP Meds?
Definition
Start meds @ lowest does, then work up
Term
How long can it take for BP meds to take effect?
Definition
Onset as long as 3 weeks
Term
What should you check before giving BP meds?
Definition
CHECK BP! duh!
Term
How should you space out BP meds?
Definition
Spread out doeses (i.e tid = 6am/2pm/10pm)
Term
What are the implications for Ca2+ channel blockers?
Definition
NICE b/c they DON'T increase triglycerides like beta-blockers do
-Patient response varies
-NIFEDIPINE SL: **CAUTION** poke hole in capsule with large needle & sqeeze under tongue = for sudeen attack of Extreme HTN
-DANGER = get MI (heart attack)
Term
What diuretics do Furosemide (lasix) & Bumex belong to?
Definition
Loop (High Celing)
Term
What diuretics do Hydrocholorothiazide (HCT) & Hydrodiuril belong to?
Definition
Thaiazide
Term
What diuretics do Spironolactone(Aldactone) belong to?
Definition
K+ sparing
Term
Where is the site of action for Loop Diuretics?
Definition
Ascending Loop of Henle
Term
What are the routes for Lasix?
Definition
Oral & IV push
Term
What are the doses for Lasix?
Definition
20-40 BID (160-320mg = very high)
Term
What are the actions of Loop Diuretics?
Definition
Blocks Na+ & Cl- reabsorption --> meaning it takes water with it and causes less volume in the blood
-Decreases blood volume & BP b/c get rid of fluid (K+ follows)
-Decreases Peripheral Vascular Resistance?
Term
What are the side effects of Loop Diuretics?
Definition
-Dehydration
-Hypotension
-Hypokalemia (especially with Digoxin = Dig-toxitiy)
-Oto-toxicity
-Hyperuremia (Gouty arthritis)
-Hyperglycemia (Diabetics)
Term
What are the implications for Loop Diuretics?
Definition
-Check Serum Potassium (K+)
-Teach about side effects: Low Potassium --> need K+ supplements; (oranges & bananas NOT enough)
Term
What is the site of action for Thiazide drugs?
Definition
Distal Convoluted tubule
Term
What is the action of Thiazide drugs?
Definition
-Inhibits reasborption
-Direct arteriovasodilators
Term
What are the uses of Thiazides?
Definition
-CHF (congestive heart failure)
-HTN (Hypertension)
-Liver cirrhosis
**Used frequently**
Term
What are the side effects of Thaizides?
Definition
-Hyperuremia(Gouty arthritis)
-Hyperglycemia (diabetics)
-Dizziness
-Fluid loss
-Headaches (HA)
-Impotence
-Decreased Libido
-Hypokalemia
-Gout
-Increased blood sugar
Term
What drug should you avoid ingesting high Na+ foods with?
Definition
Diuretics
Term
Which drug should weight yourself weekly?
Definition
Diuretics
Term
Which drug should you assess outputs for?
Definition
Diuretics
(i.e. empty Foley before IV lasix, put commode by bedside)
Term
What are general things to look for with Diuretics?
Definition
-Weight at home weekly
-Assess outputs
-Check hearing (with aminoglycosides = ringing of ears)
-Check skin
-Check mouth care (lemon drops)
-Avoid high Na+ foods
-Don't give extra fluids when mouth dry
-Check BP for hypotension (b/c decreased fluid volume)
-LABS: check uric acid buildup
Term
What should you never combine with K+ sparing diuretics?
Definition
NEVER combine with K+ supplements
-Also watch for Na+ substitutes
Term
What is the action of K+ sparing diuretics?
Definition
-Inhibit aldosterone
-Blocks receptors
-Interfere with Na+/K+ exchange --> retains K+ (check sign of kidney failure)
Term
What are the side effects of K+ sparing diuretics?
Definition
Hyperkalemia
-Endocrine
Term
The drug category is Atropine in?
Definition
Anti-Arrhythmics
Term
The drug category is Quinidine in?
Definition
Anti-Arrhythmics
Term
The drug category is Pronestyl in?
Definition
Anti-Arrhythmics
Term
The drug category is Bretylium in?
Definition
Anti-Arrhythmics
Term
The drug category is Lidocaine in?
Definition
Anti-Arrhythmics
Term
The drug category is Aminodarone in?
Definition
Anti-Arrhythmics
Term
What is the dose for Atropine?
Definition
slow IV bolus 0.3-0.6 mg q5hrs until reach 2mg
Term
what is the action of Atropine?
Definition
Increases HR at the SA Node --> blocks Vagal action
Term
What are the uses for Atropine?
Definition
Only Drug used for Bradycardia (the drug is used to increase heart rate)
Term
What are the side effects of Atropine?
Definition
-Dry mouth
-Urinary retention
-(If NOT high enough dose) = paradoixal/inconsistent slowing of HR
Term
What are the implications for Atropine?
Definition
BP should be monitored closely
Term
What are the uses of Quinidine?
Definition
-Extra ventricular beats (PVC's)premature ventricular contractions
-Supraventricular rhythms disturbances (atrial Fibrillation)
Term
What are the actions of Quinidine?
Definition
-Directly dpresses automaticity & decreases conductivity
-1st degree effect = increase refractoriness
-2nd degree effect = (with low dose) increased AV conduction
Term
What are the side effects of Quinidine?
Definition
VERY TOXIC!!!(dose-related)
-Diarrhea
-N&V
-Tinnitus
-Headache (HA)
-Vertigo
-Visual Disturbances
-EKG's irregularities (prolongs QT interval)
Term
What are the implication of Quinidine?
Definition
-Oral: give with meals
-Rearly parenterally
-Check BP until maintenance; bed flat initially decreases BP
-ALERT: hypersensitivity (hyperthermia, anaphylaxis)
Term
What are the uses for Pronestyl?
Definition
Ventricular arrhythmias (PVCs)
Term
What are the actions of Pronestyl?
Definition
Similar to Quinidine
-Route: ORAL, Proscan SR (sustained/slow release)
Term
What are the side effects of Pronestyl?
Definition
-Decreased BP
-Lupus side effects: fever, arthralgias, butterfly rash on cheeks
-Anti-cholinergic effects: urinary retention
Term
What are the uses for Bretylium?
Definition
~50% effective for Ventricular Fibrillation
Term
What is route for Bretylium?
Definition
-Route: IV Bolus q15-30 min; IM
Term
What are the side effects of Bretylium?
Definition
-Lower BP
-Vertigo
-Syncope
Term
What are the implications for Bretylium?
Definition
-EKG & BP monitoring in ICU
Term
What is the use of Lidocaine?
Definition
IMMEDIATE control of PVC's
-Numbs area in heart, so NO extra heart sounds
Term
What is the action of Lidocaine?
Definition
Depresses automaticity of ventricles (Doesn't depress contractility)
Term
What is the route/dose of Lidocaine?
Definition
~50-100mg IV Bolus --> follwed immedieatly by continuous infusion b/c short 1/2 life((usually lower does if Liver problems))
Term
What are the side effects of Lidocaine?
Definition
SEVERE!!!!!!
-CNS: Pareshesias, muschle twitching, Convulsions, visual disturbances
Term
What are the uses for Amiodarone?
Definition
Originally for Ventricular arrhythmias (PVC's)
-Now aslo for Atrial Fibrillations (like Digoxin
Supporting users have an ad free experience!