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Scheduled drugs teaching
- DEA schedules drugs according to their potential for abuse.
- Schedule 1 is highest abuse potential, schedule 5 is lowest.
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schedule 2 drugs
- Must have prescription, handwritten in ink by physician, no refills - only 30 day supply:
- Morphine
- PCP
- Cocaine
- Methadone,
- Oxy
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enteral drug administration
assess ability to swallow prior to administering enteral drug
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Pharmacokinetics
- Refers to what the BODY does with a drug
- Absorption, distribution, metabolism, excretion
- *absorption can be impaired with food or iron
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Theraputic index
The relationship or point btwn right amount of drug to get therapeutic effect vs where side effects happen
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Nursing process
- Assessment
- Dx
- Planning
- Implement
- Evaluation ~ for pharm, this is where drug effectiveness is evaluated. duh
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what to do in case of med error
- assess client
- tell physician
- fill out incident report
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Prego drug categories
- A- all right, studies show no increased risk
- B- Ok. animal studies show no risk but no adequate studies in humans done OR animals show AE but studies in humans failed to show risk
- C- Use caution. Animals show AE, no adequate studies in human OR No studies done
- D- Adequate studies demonstrate risk to fetus, but benefits may outweigh risks
- X- Contraindicated in preg woman. Ex: accutane
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Gender issues affecting success of med tx
- Women seek med care more than man; however, women take longer to get help with heart probs
- Side effects of drugs can be gender specific
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Herbs that increase bleeding
- Green tea
- Garlic
- Ginseng
- Ginger
- Ginkgo
- *Not Golden Seal! doesn't interfere with warfarin
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Alcohol abuse
- Can be fatal
- S/S of withdrawal: tremors (delerium tremors), seizures, hallucinations, confusion, fatigue, anxiety
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Antidotes:
Heparin/lovenox
Benzo's
opioids
warfarin
- heparin/lovenox: protamin
- Benzos: flumazenil (reverses CNS effects of benzos)
- Opiods: Narcan (Nolaxon)
- Warfarin: Vit K.
- Surface decontamination ~ remove clothes, wash with soap and water
- charcoal, single dose w/in 60 mins of consumption
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Anticholinergics indications
anticholinergics are used for bradycardia, IBS, PUD, parkinson's (because it lowers acetylcholine).
- 1- Interrupt parasympathetic nerve impulses
- 2. prevent acetylcholine from stimulating cholinergic receptors
- 3- Dont block all cholinergic receptors, just Muscarinic
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SNS categories
- drug class that inhibits/disrupts SNS (sympathetic nervous system): adrenergic antagonists.
- Classified according to their site of action: Alpha-adrenergic blockers
- Beta-adrenergic blockers
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Benzo's OD tx
give flumazenil to reverse the CNS effects of Benzos.
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Gabapentin nursing diagnosis
- risk for falls.
- Gabapentin (Neurontin) is an antiseizure and neurpathy drug.
- Causes dizziness, drowsiness, ataxia (uncoordinated movement, like a drunk), vertigo.
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Risperidone use and SE
- Risperidone is an atypical antipsychotic/schizophrenia drug. Antipsychotics treat the positive and negative effects of mental disorder
- SE include:
- NME (Neuroleptic malignant syndrome)
- Agranulocytosis (low WBC count)
- hyperactivity, fatigue
- Nausea, wt gain
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NMS
- Neuroleptic Malignant Syndrome
- life threatening neuro disorder caused by AE of antipsychotic meds
- S/S include:
- high fever
- sweating
- unstable blood pressure
- stupor
- muscular rigidity
- autonomic dysfunction.
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Opioid SE
- respiratory depression
- sedation
- N/V
- urine retention/constipation
- pruritus
- delirium
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Lidocaine with epinephrine mechanism
the epinephrine prolongs the anesthetic effect at the site (b/c it vasoconstricts, keeping the med in the area longer)
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Levodopa/carbidopa teaching
- AKA sinemet.
- Used in parkinsons to help pt perform ADLs, leads to dopamine synthesis (which lack of dopamine is cause of park)
- Toxicity of Sinemet is muscle twitching and spasmodic winking.
- must continue gradually
- Take on empty stomach for better absorption
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Cyclobenzaprine evaluation
- cyclobenzaprine is for muscle spasm.
- SE:other than
- sedation
- dizziness
- dry mouth
- blurred vision
- Ataxia (loss of full control of body movements)
- Tongue swelling
- tachycardia.
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Side effects of statins
- GI distress
- H/A
- fatigue
- heartburn
- *Rhabdomyolysis ~ a breakdown of muscle fibers
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Diuretic SE
- diuretics cause dehydration, orthostatic hypotension, hypokalemia
- teach pt to rise slowly.
- First line of treatment for stage 2 HTN: thiazide diuretic.
- Loop diuretic can cause electrolyte imbalance of potassium hypokalemia
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Antihypertensives indications
- Taken for hypertension and heart failure.
- Duh
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Beta-blockers side effects
- "Can't run, can't have sex. LOL"
- Will cause depression
- bronchoconstriction (don't use w asthma pt)
With metoprolol, monitor for hypotension and bradycardia.
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Nitro patch teaching
If on long term, teach to take patch off at night to help avoid tolerance
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Dopamine evaluation
- *Used for Heart failure and shock, it affects strength of myocardial contraction
- Increases BP and force of myocardial contraction
- Increases urine output
- SE: can cause dysrhythmias and tachycardia
- Extravasation (med goes into extracellular space instead of vein) in peripheral IV's, causing BAD tissue damage
*Low dopamine causes parkinson's
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Antidysrhythmics evaluation
- *remember dysrhythmia has nothing to do with contraction, but conduction
- Important to monitor HR: pulse, rate, rhythm, quality
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Side Effects Coumadin
- bleeding. duh.
- blood tests used to monitor warfarin: PT/INR is lab test
- 1 is the norm, 2-3 is therapeutic
- PR = prothrombin time (time to coagulate)
- INT = internationalize normalized ratio, recall this makes it possible for people to travel out of the country & still be able to have blood levels checked
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Oral iron pt teaching
take through straw cause it's nasty and can stain teeth
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Types of immunity
- Active immunity - body produces own antibodies in response to exposure. Happens when given vaccines
- Passive immunity - antibodies are donated or transferred from one person to another. Happens w mother/baby
*type of immunity that immunoglobulin gives: artificial passive immunity.
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NSAIDs SE
- can cause damage to stomach lining due to lower mucus production.
- can cause GI upset and bleeding, reduce kidney function
- Cox 1: aspirin, IBprof (3200 mx/day), Naproxen
- Cox 2: Celebrex
- *NSAID's block inflammation by inhibiting COX, the key enzyme in making prostaglandins (which are able to promote inflammation)
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PCN teaching
- penicillin lowers effectiveness of contraceptives (so double up).
- General category of infection caused by antibiotics: superinfection.
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Metronidazole interactions
AKA Flagyl (used with giardia and Cdiff.) Eliminate alcohol from diet.
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Zidovudine side effects
- (Retrovir)
- Used for HIV pts.
- Fever, chills,
- muscle weakness,
- headache,
- constipation, n/v, weight loss,
- severe bone marrow problems,
- lactic acidosis
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Antineoplastic therapy teaching
- instruct family members to not get live vaccines.
- 2 indications of bone marrow problems with chemotherapy: leukocytopenia, agranulocytopenia, thrombopenia
- Use soft toothbrush, use electric razor, avoid commercial mouthwash
- VS every 4hr, even slight fever needs to be reported
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Side Effects-Flonase
- AKA fluticasone
- Drug for allergic rhinitis.
- An intranasal corticosteroid.
- B/c of the systemic effects, with intranasal steroids: teach pt Don't Swallow!
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Albuterol teaching
- side effects include headache, nervousness, tachycardia.
- Rinse mouth after
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Omeprazole administration
- the proton pump is activated by food to produce acid....
- take omeprazole (Prilosec) before breakfast on an empty stomach
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Psyllium teaching
- AKA metamucil.
- Take 1 glass (12 oz.) with drug and 1 glass after.
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Vitamin indications
- folic acid prevents spinabifida.
- Vit B12 prevents pernicous anemia.
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Levothryoxine evaluation
if pt is on levothyroxin and heart rate starts to go up..... suspect hyperthyroidism.
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Insulin Administration
- don't mix lantus with anything else.
- When giving lantus and lispro, give them seperately.
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Electrolyte, other than glucose, that requires insulin for movement into the cell:
Potassium
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Lab value which indicates blood glucose over last 3 months:
A1c
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Common diagnosis for the 3 P's (polydipsia, polyuria, polyphasia (eating)-
diabetes
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Biguanides teaching
- Metformin (Glucophage)
- only drug in class
- Is an oral hyperglycemic drug, often used because it is safe and doesn't cause hypoglycemia. decreases glucose production by liver
- doesn't do anything to pancreas
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- teach to monitor BS, s/s of infection
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Hormonal Contraceptives indications
- don't give contraceptive to women who smoke or have blood clots or history of blood clots.
- Penicillin lowers the effectiveness of contraceptives, so double up.
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Sildenafil teaching
- AKA Viagra.
- Don't take with nitrates.
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fosamax teaching
- AKA alendronate.
- Osteoporosis drug- A bisphosphonate.
- Give with a full glass of water and stay upright for 30 mins after
- call doc if you have heartburn.
Can cause hypocalcemia, cause it takes calcium out of blood and puts in bone
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Accutane teaching
- AKA isotretinoin
- PREGO CAT X!
- used for severe acne w cysts
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Eyedrop administration
- contacts should be kept out for 15 minutes after putting in eye drops.
- Don't mix drugs
- Wait 5 mins btwn drugs
- Place in conjunctiva
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Side effects-glucocortcoids
- Strongest anti-inflammatory used for asthma.
- Dexamethazone is a steroid.
- Side effect of glucocorticoids which could lead to GI bleed: peptic ulcer.
- osteoporosis,
- Fat, bitchy and pimply
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Vitamin K indications
Vit K is the antidote for warfarin.
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First thing a prudent nurse will do if client gains excess weight in one day: check BP, assess lungs, check edema
check BP, assess lungs, check edema
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IV infusion side effects
Assess BP and listen to lungs for crackles. Also monitor normal blood levels of electrolytes.
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