Pharmacology Chapters 1-4
Controlled Substances Act
controls meds that high risk for abuse, defined 5 classifications or schedules of controlled substances. -Schedule 1 -Schedule 2 -Schedule 3 -Schedule 4 Schedule 5
Electronic data bases used for information?
cumulative index of nursing and allied health, Lexi-comp, epocrates, dailymed
excretion in geriatrics
decreased renal blood flow reduced cardiac output loss of glomeruli decreased tubular function serum creatinine levels give estimate of renal function
what is an example of a generic name?
glipizide, these names are not capitalized
most commonly seen adverse drug reactions
rash nausea itching thrombocytopenia vomiting hyperglycemia diarrhea
secondary source
relatives, significant others, medical records, lab reports
An example for fast-tracking is?
smallpox, no treatment so we fast track one to make ready for the public
synergistic effect
the combined effect of two drugs is greater than the sum of the effect of each drug given together ex: aspirin & codeine= much greater analgesic effect
Clinical Research
the stage in which humans are first tested is divided into 3 phases: -phase 1 -phase 2 -phase 3
distribution
drugs are transported throughout the body by body fluids to the sites of action (protein binding and fat solubility affect distribution) organs with largest blood supply receive the distributed drug most rapidly some drugs cannot pass through the blood brain barrier or the placental barrier
X
studies: adequate, well controlled or observational, in animals or pregnant women have demonstrated positive evidence of fetal anormalities. the use of the product is contraindicated in women who are or who may become pregnant
what is the foundation for the clinical practice of nursing?
the nursing process
holistic care needs
the nursing process assists the nurse in responding to the changing needs of the patient
evaluating therapeutic outcomes
evaluation procedure for determinging therapeutic outcomes of drug therapy include: assessing pt responses to meds determining signs and symptoms of recurring illness assessing any adverse effects determining the pts ability to reveive education and self administer meds as well as the potential for compliance
assessment
first step in the nursing process comprehensive collection of data, including -physical exam -nursing history -medication history -professional observation assessment is an on going process that starts with admission and continues until the patient is discharged from care
Brand Name
followed by a symbol which indicates that the name is registered, made easier to pronounce, always capitalized
things to remember about absorption
give oral drugs with 8oz water give parental forms properly so they are deposited into the correct tissue reconstitute and dilute as directed heat and massage help absorb faster
planning
identify therapeutic intent and common and serious adverse side affects confirm recommended dosage and route of medication check that scheduling of administration of medicine is based on the providers orders teaching patients -keep written response records -techniques of self administration as needed -proper storage and refilling of meds
New Drug Application Review
investigator submits an NDA(new drug application) to FDA to request approval to market new drug for human use average NDA review takes 17 months
half life of drugs
is the time required for 50% of the drug to be eliminated drugs with a long half life should be administered only once a day is determined by an individuals ability to metabolize and excrete a particular drug in a patient with impaired hepatic or renal function the half life may become considerably longer nurses should be sure to monitor tests for renal and hepatic function
onset of action
is when concentration of a drug at the site of action is sufficient to start a physiologic response
example of a nursing diagnosis for a pt with hyperglycemia
knowledge deficient r/t lack of info about diabetic meds
which form of medication is more easily administered or a toddler who requires a course of antibiotics
liquid
independent actions example
listing to a pts lung sounds after a resp. tx. and monitoring lab values
tertiary source
literature to provide background information, diagnostic tests, diet
factors affecting metabolism in older adults
liver cells decrease, blood flow decreases
Schedule 4
low abuse potential-lowest, script may not be required -lomital, robitussmin AC are examples
Federal Food, Drug and Cosmetic Act
make sure meds are safe before public
Med inserts
manufactors are required to develop a description of a drug and federal laws require it to be approved by the FDA
illness
may alter the rate of absorption distribution, metabolism and excretion
therapeutic drug monitoring
measurements of drug concentration in blood sample to correlate the dosage administered and the level of medicine in the body very essential in neonates, infants, children dosage and frequency of medications can be adjusted to maintain therapeutic level of potentially toxic drugs is routine for conditions such as epilepsy, dysrhythmias, antimicrobial therapy and others to ensure therapeutic levels and to measure if toxicity is present the timing of drugs administration and collection of specimen is crucial. certain medicine require blood to be drawn before and after
medical vs nursing diagnosis
medical diagnosis is a diagnosis of a disease or disorder that impairs normal physiologic function nursing diagnosis refers to the patients ability to function in activities of daily living, it identifies the pts response to the illness
alterations in absorption
most drug interactions that alter absorption take place in the GI tract (antacids increase the gastric pH and can inhibit the dissolution of ketoconazole tablets) many alterations in absorption can be managed by separating the times of administration
NIC
nursing intervention classification- comprehensive research based, standardized classification of interventions that nurses perform
idosyncratic reaction
occurs when something abnormal happens when a drug is first administered. the patient demonstrates and unexpectedly strong response to the action of the drug. results from patients inability to metabolize a drug because of a genetic deficiency of certain enzymes this type of reaction is rare
drug interactions
occurs when the action of one drug is altered by the action of another drug elicited by agents combined increase the action of one or both drugs OR by agents that when combined decrease the effectiveness of one or both drugs
atagonistic effect
one drug interferes with the action of another ex: tetracycline & antacid= decreased absorption of the tetracycline
Postmarketing Surveillance Stage
ongoing review of adverse effects of new drugs
drug actions
onset, peak of action and duration of action
Routes of Absorption and their rates
oral-slowest sub q-slower absorption rate im-more rapidly absorbed iv-most rapidly absorbed
nonprescription drugs
over-the-counter (OTC) drugs sold without a prescription
body weight
overweight may require increase in dosage to attain same therapeutic level. underweight may require lower dosage
risk/high risk diagnosis
patient may be more susceptible to a particular problem
which piece of information obtained during a pt assessment is a subjective finding?
patient states "I have a pain in my abdomen"
dependent actions
performed by a nurse based on health care providers orders
physical drug dependence
person develops withdrawal symptoms if drug is withdrawn
formulating nursing interventions and anticipated outcomes
plan which intervention to use based on anticipated pt behavior
what factors will also affect excretion?
poor kidney function, low creatinine, BUN, GFR, will cause to not have a good blood flow to kidney
Controlled substances (individuals)
possession of controlled substances by individuals without prescriptions is punishable by fine, imprisonment, or losing of nursing license
assessment relies on three sources
primary source secondary source teriary source
priority setting
prioritize nursing diagnosis use maslows heirarcy of needs maslow identified 5 level of needs beginning with physiologic needs and ending with self actualization need
focused assessment
process of collecting additonal data specified to a pt of family that validates a suggested problem or nursing diagnosis the nurse focuses on specific defining characteristics associated with specific nursing
factors affecting metabolism
process whereby the body inactivates medications; primarily occurs in the liver
primary source
produced by patient
Kafaver Harris Drug Amendment 1962
provides greater control and surveillance of the distribution and clinical testing of investigational drugs and requires that a product be proven both safe and effective before release for sale
Prescription Drugs
require an order by a health professional licensed to prescribe drugs
the nurse must remember the seven rights of drug administration
right pt right med right dose right time right route right documentation right to refuse
a clinical judgement that a person is more susceptible to a particular problem than others in the same situation is defined as which type of nursing diagnosis?
risk/high risk
trough
sample is drawn immediately before the next dose to measure the lowest blood level of medicine
nurses prepare the prescribed medications using procedures to ensure patient safety
select correct supplies verify all aspects before preparation collect appropriate data to serve as baseline for later assessments administer meds by correct route document all aspects of administration implement actions to minimize expected side effects educate pt as appropriate
use of monitoring parameters in breastfeeding infants
some drugs are known to enter breast milk and harm the nursing infant discuss all medications with health care provider take medicine immediately after breast feeding or just before infants longest sleeping period
Phase 1 of clinical research
studies drugs pharmacologic properties-pharmacokinetics, metabolism, safe dosage ranges, routes. -the population group used-normal volunteers and those who need the treatment -about 4-6 weeks
Drug classification
Body system classification, Therapeutic use or clinical indications, Physiologic or chemical action
Which name(s) of a drug should the nurse use when teaching a patient with a new prescription?
Generic and trade name so the patient knows they are the same, ease confusion
an example of a brand name?
Glucotrol XL (it would also have the registered symbol behind the name)
excretion
drug metabolites and the drug itself are excreted from the body preterm infants have 15% of the renal capacity of an adult neonates have 35% full adult function occurs at 9-12 months
Agonist
drugs that interact with receptor to stimulate a response
patient with poor kidney function will have what in regards to excretion?
they will have increased action and duration of a drug
metabolic rate
those with higher than average metabolic rate tend to metabolize drugs faster, requiring larger doses and more frequent administration
entral
via the gastrointestinal tract by the oral, rectal or nasogastric routes
factors affecting distribution
ways in which drugs are transported to site of action depends on pH, body water concentration, fat tissues, protein binding, cardiac output and blood flow
drug blood level
when a drug is circulating in the blood and a sample is drawn to determine the amount of drug present is done for certain drugs to ensure the drug blood level is within therapeutic range
tolerance
when person begins to require a higher dosage of medication to provide the same effects of a lower dosage that they were once taking can be caused by psychological dependence or the body may metabolize a drug more rapidly than before
interdependent actions
implemented with the cooperation of a team
Parallel tracking
in an IND may be used for patients who cannot participate in controlled clinical trials when there is no satisfactory standard therapeutic
Phase 3 of clinical research
larger patient population also provides info on proper dosage and safety.
official name of drug
listed by the FDA
interdependent actions example
monitoring a pt heart rate and rhythm while the pt is receiving antidysrhythmic meds
Sources for prescription and nonprescription drugs
package inserts and nursing journals, electronic data base
drug dependence
person is unable to control his/her ingestion of drugs
peak
sample drawn 20-30 minutes after IV dose or 60 min after oral to obtain the highest blood level
An older adult is concerned about the price of his prescribed brand-name medication. He is also reluctant to change to a generic medication, saying "I want that medicine I keep seeing advertised." How can the nurse best educate this patient?
Explain that the brand and generic are the same. The generic goes through the same testing but cheaper because there is no advertising
factors affecting distribution in geriatric patients
total body water content decreases
additive effect
two drugs with similar actions are taken for an increased effect ex: hydrocodone & acetaminophen= added analgesic effect
Illegal or recreational drugs
used for nontherapeutic purposes; obtained illegally
Use of Therapeutic Drugs
used for prevention or treatment of disease
the three parts of a nursing diagnosis
uses a nanda diagnostic label has contributing factors defines characteristics
which is an independent nursing action?
verifies the correct route of medication administration
ex of an outcome statement
within next 8 hrs urine output will greater than 30ml and is the pt oriented realistic and measureable within the appropriate time frame
Polypharmacy
The use of many different drugs concurrently in treating a patient, who often has several health problems.
Food, Drug and Cosmetic Act and stages
This act made the FDA responsible for regulating new drugs. Rules and regulations are divided into 4 stages -preclinical research and development -clinical research and development -new drug applications review -postmarketing surveillance
metabolism
depends on enzyme systems the process whereby the body inactivates drugs primary organ of metabolism is the liver; other sites are GI tract and lungs
responses to drugs
desired effect side effects adverse effects idosyncratic effects allergic reactions teratogen carcinogen
gender and absorption
females: stomach empties more slowly gastric pH greater alcohol absorbed faster
pregnant patients
fetus exposed to substances in mothers blood
Schedule 3
high abuse potential -codeine, lortab, norco are examples
Schedule 2
high abuse potential, accepted for medical use -amphetamines, morphine, vicodin, demerol, adderall are examples
Schedule 1
highest class- not accepted for medical use in the US. -highest abuse potential -heroin, LSD are examples
duration of action
how long the drug has a pharmacological effect
setting priorities
identify problems and prioritize which ones are more important and must be attended to first, depending on patient needs
what is the definition of an adverse drug reaction? what are some common signs and symptoms? what drugs commonly cause adverse reactions?
a noxious, unintended effect from a drug. nausea, diarrhea, vomiting, hyperglycemia, rash, itching antibiotics, anti-inflammatory drugs, cancer chemotherapy agents, analgesics
how does a nursing diagnosis differ from a medical diagnosis?
a nursing diagnosis evaluates a pts response to actual or potential health problems
example of an idosyncratic reaction
a patient with asthma receives a steriod. 30 mins later the patient is agitated and states everyone is out to get me
nocebo effect
a patients negative expectations can result in a less-than- optimal outcome
placebo effect
a patients positive expectations can positively affect the outcome
psychological drug dependence
a person is emotionally attached to a drug
percutaneous
absorbed through the skin and mucous membranes inhalation, sublingual, or topical
Drug Stages after Administration
absorption distribution metabolism excretion (ADME)
factors affecting drug action
absorption premature- slower gastric emptying time may allow increased absorption neonates- IM absorption erratic, reduced gastric acidity infants- topical absorption increased
five types of nursing diagnosis
actual risk/high risk possible wellness syndrome
nursing intervention or implementation
actual process of carrying out the established plan of care nursing actions are suggested -dependent actions -interdependent actions independent actions
A
adequate, well controlled studies in pregnant women have not shown an increase risk of fetal abnormalities
Routes of drug administration
enteral parentral percutaneous
factors affecting metabolism in infants
enzymes take several weeks to a year to develop
potentially inappropriate medications for geriatric patients
includes medications that should be avoided and those that are rarely appropriate (some barbiturates, benzodiazepines, and some narcotics) some are considered appropriate to give only with certain indications but may have potentially adverse reactions
assessing lung sounds
independent
Black Box Warning
indicates a very serious life-threatening problem
which patient has the greatest percentage of body water?
infant
age
infants and the elderly are most sensitive to effects of drugs
factors affecting distribution in infants
infants have a higher total body water content, requiring higher dose on mg/kg basis infants also have lower body fat and reduced protein binding in neonates
Partial agonists
interact with the receptor and stimulate a response but inhibit other response
Pharmacodynamics
interaction between drugs and their receptors
carrying out drs order using NRG judgement
interdependent
Phase 2 of clinical research
involves smaller population of patients who have the condition that the drug is designed to treat. if successful moves to phase 3
Brand or trademark name?
is registered by the manufacturer, capitalized
D
studies: adequate, well controlled or observational; in pregnant women have demonstrated a risk to the fetus. however the benefits of therapy may outweigh the potential risk
genetics
study of how living organisms inherit the traits of their ancestors, including function of metabolic pathways significant differences can occur among racial and ethnic groups
pharmacogenetics
study of ow drug response may vary according to inherited differences
assessment also includes:
subjective findings objective findings
it is important to maintain therapeutic levels of drugs to avoid the complications of being over or undermedicated. if a drug level of 0.5 to 2mg is considered therapeutic, a drug level of 0.45mg is considered to be what?
subtherapeutic or below
possible diagnosis
suspected problems requiring additional data
Drug development
takes 8-15 years and more than 2 billion in research and development costs to bring a new drug to market
displacement
the displacement of the first drug from protein-binding sites by a second drug increases the activity of the first drug because more unbound drug is available ex: warfarin & valproic acid= increased anticoagulant effect
desired action
the expected response
interference
the first drug inhibits the metabolism or excretion of the second drug, thereby causing increased activity of the second drug ex: probenecid & ampicillin= prolonged antibacterial activity of ampicillin b/c probenecid blocks the renal excretion of ampicillin
incompatibility
the first drug is chemically incompatible w/ the second drug, thereby causing deterioration when the drugs are mixed in the same syringe or solution or are administered together at the same site; signs include haziness, formation of a precipitate or a change in the color of the solution when the drugs are mixed. ex: ampicillin & gentamicin= ampicillin inactivates gentamicin
the nursing process
the foundation for the clinical practice of nursing involves: assessment nursing diagnosis planning nursing intervention or implementation evaluating and recording therapeutic outcomes
the nursing process also provides:
the framework for consistent nursing actions and involves use of problem solving instead of an intuitive approach method for evaluating the outcomes of therapy delivered provides scientific method to assign nursing staff to patients and to determine and justify cost of providing nursing care
subjective findings
the nurse makes using physiologic parameters ex: report of pain is subjective b/c people experience it different
what happens when trough levels are ordered?
the nurse should obtain and check the results in a timely manner and notify the prescriber
nursing diagnosis differs from medical because?
the nursing diagnosis indicates a human response the medical pattern indicates a medical condition the nursing diagnosis determines what the nursing interventions will be based on the characteristic gathered from the assessment
which type of topical drug is more readily absorbed by infants?
water-soluble
factors that influence medication response
weight age gender medical condition tolerance
evaluating and recording therapeutic and expected outcomes
all care is evaluated against -nursing dx (goal statement) -nursing interventions -patient responses evaluation process involves pt, family and significant other who provide feedback and help determine goals
Generic Name
also known as a common name
drug response needs to be stated. what is the response after the drug was given? was it the expected response? How can nurses answer these questions?
always do an assessment prior to baseline and after
drug accumulation
Occurs when the next dose is given before the previously given drug has been metabolized or excreted. May result in drug toxicity.
Can therapeutic methods be used in combination?
Yes
Use in Pregnancy categories
a b c d x
independent actions
provided by nurse by virtue of education and license
Definition of Pharmacology
the study of drugs and their actions or effects
peak of action
time which the drug reaches the highest concentration on the target receptor site inducing the max pharmacologic response for the dose given
three reasons for obtaining a drug history?
to evaluate need for medication to obtain current and past use of over the counter meds to identify problems related to drug therapy
Fast tracking
to expedite the development and approval of drugs for the treatment of life-threatening illnesses.
factors affecting distribution gender
total body fat higher in females
drugs that have a complete attachment and response are?
agonist
USAN
contains more than 10,000 drug names
Body System Classifications
cardiovascular, gastrointestinal, etc.
how will liver function affect metabolism
if liver enzymes aren't working will cause a problem
Pharmacokenetics
medications movement through the body
Chemical Name
chemical constitution of a drug
the nurse is caring for a 77 year old woman who has been prescribed IV tobramycin for cellulitis, ketoprofen for pain and lorazepam for anxiety. what are the four basic parameters that the nurse must always consider when administering these medications? what specific nursing interventions related to absorption distribution, metabolism and excretion would be important when a patient receives these drugs?
1. age, gender, weight, metabolism 2. monitor pain, monitor anxiety, monitor infection
How soon do orphan drugs receive approval by the FDA
10-11 months sooner than non-orphan drugs
How long does the entire clinical research phase take?
2-10 years and each completed study is reviewed by the FDA
when the nurse administers a 50mg dose of a drug with a half life of 6 hours, how many milligrams will remain in the body at 24 hours?
3.13
how many years on average does it take for a drug to be brought to market from the time of its conception?
8-15 years
all drugs are processed in the body through pharmacokinetics. what is the correct order that drugs pass through the body?
ADME
what are four factors that influence drug action on the body? What are some additional factors that affect drug action?
ADME
Legislations regarding drug use
Federal Food, Drug and Cosmetic Act & Controlled Substances Act
Physiologic or Chemical Action
Anticholinergics, calcium channel blockers, etc.
Which source of information is best for the nurse to obtain drug information?
Electronic data base
factors affecting absorption in geriatric patients
IM absorption erratic reduced salivary flow makes swallowing difficult transdermal absorption hard to predict timed release/enteric coated tablets cannot be crushed reduced GI acidity affects absorption slower gastric emptying time decreased GI motility and blood flow
Which drug schedule indicates drugs with the highest risk for abuse?
Schedule 1
Resources for Drug Information
The united states pharmacopeia (USP)/ National formulary (NF), electronic data base
psychology
attitude and expectations can play into patients response to treatment and willingness to take meds as prescribed
nursing diagnosis
a clinical judgement about individual, family or community responses to actual or potential health problems/life processes actual nursing diagnosis consists of a three part statement
what are the four stages of a drug goes through after it is administered? describe each stage. what is one factor that affects each of these stages in the entral route?
absorption- the drug is transferred from the site of entry to the body and to the circulation of fluids. distribution- the drug is circulated through fluids throughout the body. metabolism- the body inactivates the drugs excretion-the drug is eliminated from the body a factor that can affect these stages is body problems concerning the GI tract or issues with the liver or kidneys. If a patient has liver enzymes that aren't working then the drug might not metabolism correctly.
Preclinical Research
beings w/discovery, synthesis and purification of a drug. goal is to use lab studies to determine if experimental drug has a therapeutic value and if it is safe in animals IND application is sent to FDA and they have 30 days to determine safety to allow human studies. Only 20% of chemical tested make it to next phase
therapeutic range
between the minimum effective response and the toxic response
what are some signs and symptoms of anaphylactic reaction?
bronchospasms hypotension laryngeal edema
parentral
bypasses the GI tract by using subcutaneous, intramuscular, and intravenous injection
Definition of Drugs
chemical substances that have an affect on living organisms
collaborative problems
different nursing diagnoses when the intervention used is to prevent or treat a problem and is worded with potential complication in the diagnosis evidence based practice uses research to impact nursing practice changes; the interventions used in research findings can be implemented into care plans
Durham-Humphrey Amendment of 1952
divides meds into prescription and non prescription based on safety. Requires caution label that federal law prohibits dispensing without script
pediatric patients
dosage adjustments expected during growth measure liquid medications using mL use appropriate dilution verify dosage prior to giving aspirin use linked with Reye's syndrome allergic reactions occur rapidly in children
alterations in metabolism
drug interactions are caused by an alteration in metabolism, by inhibiting or stimulating the enzymes that metabolize a drug some medications increase another medications actions contributing to toxicity some meds decrease another meds actions, decreasing effectiveness
evidence based practice
goal is to improve pt outcomes by implementing best practices evolved from scientific studies uses best care to improve pt outcomes core measures are measure of care that are tracked to show how often hospitals and health care providers use the care recommendations identified by evidence based practice standards for pt who are being treated for conditions
Controlled Substances in regard to manufactuers & prescribers?
must register with the DEA, requirements must be met to dispense scheduled medications
gender
gender specific medicine-studies the differences in normal function of men and women gender specific medicine is a developing science that looks at how men and women perceive and experience disease, as well as how pharmacokinetics affect each gender
Are brand names or generic name drugs cheaper?
generic name drugs are cheaper and formularies use them
factors affecting metabolism in all ages
genetics, smoking, diet, other medications, liver disorders
USP/NF
sets standards of purity for drugs and lab tests used to determine purity
anaphylactic reaction
severe life threatening reaction that causes respiratory distress and cardiovascular collapse
Which entity is responsible for monitoring drug safety in the United States?
FDA
types of drug interactions
additive effect synergistic effect antagonistic effect displacement interference incompatibility
example of dependent actions
administering an antibiotic q6hr as ordered but can still require the nurses judgement
what are some factors that can affect drug blood level?
age gender weight metabolic rate disease environmental issues
several minutes after starting the infusion of a patients first dose of ampicillin IV, the patients skin becomes flushed, and he says his heart is racing. Red, raised bumps appear on his skin and he reports feeling itchy. What should the nurse suspect? what are the risks to the patient? What should the nurse do? What instructions should the nurse give the patient?
allergic reaction risk would be anaphylactic shock, nurse should stop medication and call doctor and get further orders. Nurse should tell patient to let their doctors know they had a reaction to medicine
drugs known to be teratogenic
androgenic and estrogenic hormones ACE inhibitors, ethanol, tetracycline thalidomide, vitamin A, warfarin Angiotensin II receptor antagonists anticonvulsants, antmanic agents, antithyroid chemotherapy, statins, cocaine
B
animal studies have revealed no evidence of harm to the fetus; however, there are no adequate and well controlled studies in pregnant women or animal studies have shown an adverse effect, but adequate and well controlled studies in pregnant women have failed to demonstrate a risk to the fetus
C
animal studies have shown an adverse effect, and there are no adequate and well controlled studies in pregnant women or no animal studies have been conducted, and there are no adequate and well controlled studies in pregnant women
Therapeutic use or Clinical Indications
antacids, antibiotics, etc.
A drugs chemical bond
forms chemical bond with receptors. the bond can only form if the drug receptors have a similar shape. the relationship is similar to a lock and key, the better the fit the better the response
a patient reports postoperative pain and the nurse administers morphine ( a narcotic analgesic) intravenously to ease the pain. Fifteen minutes later, the nurse notes that the patient is very drowsy, respirations are slow and shallow, and oxygen saturation is low. The nurse administers another drug that decreases the action of the morphine. What is this effect called?
antagonistic
classes of medicine that account for the largest number of ADR's?
antibiotics cardiovascular meds cancer chemotherapy agents analgesics anti-inflammatory agents
adverse effects
any noxious, unintended and undesired effect of a drug which occurs in dosages used in human for prohylaxia, diagnosis or therapy.
objective findings
are clearly measureable and consistently reportable ex: temp, weight, height
a 67 year old man has developed a fever of 103.6 after returning from the recovery room following a carotid endarterectomy. what is the nursing process as it applies to this situation? what are specific medication related issues?
assess, why is there a fever? formulate diagnosis plan care, what meds will he need? something to lower fever? call doc and report it give meds per doctor check vital signs, reassess pt
Antagonist
attach to the receptor but do not stimulate the response
use of monitoring parameters in pregnant women
avoid drugs when taking a womans history, be alert to possibility of pregnancy instruct patient to avoid drugs, alcohol and tobacco try nonpharmacologic treatments before using medicines avoid herbal medicines
actual diagnosis
based on human responses and supported by defining characteristics
phases of planning
four phases of a nursing care plan: -setting priorities -developing measureable goal/outcome statements -formulating nursing interventions -formulating anticipated therapeutic outcomes
wellness diagnosis
clinical judgement about a transition from one level to a higher level
syndrome diagnosis
cluster signs and symptoms to predict certain circumstances or events
geriatric patients
complete a thorough drug history, including prescription, OTC, herbal medications and nutitional status evaluate vision and motor skills to make sure they can read prescriptions and open medicines when evaluating a new symptom, determine whether it was induced by a medication already prescribed start with smaller doses and gradually increase. keep multidrug regimen simple review if any medications can be discontinued assess ability to pay for medications
orders that are written by the provider
dependent
excretion
depends on GI tract and kidneys elimination of drug metabolites and some of the active drug from the body kidneys are the major organ of excretion; some excreted in feces other routes- GI tract, skin, lungs
absorption
depends on route of administration drug is transferred from site of entry into the body to the circulation of fluids of the body to then be distributed around the body. the rate of absorption depends on the route and site of administration, blood flow, and solubility of the drug.
2 part of a risk/high risk nursing diagnosis
diagnostic label from the nanda approved list the risk factors that make the individual more susceptible to development of a problem
Therapeutic approaches to treating illnesses
diet therapy, drug therapy, physiotherapy, psychotherapy
the following should be included in a pt response record
drug name dosage route time of administration all adverse effects dosages misesed and why
liberation
drug released from dosage form and is dissolved in body fluid process of converting oral drug can be influenced by food and water in the stomach
unbound drugs
drugs are bound to proteins in the blood during transportation the more a drug is "bound" to a protein, the less available it is to the circulation some medicines can cause binding or unbinding of another medication, increasing or decreasing its effect
Orphan Drugs
drugs that are developed for rare conditions manufacturers are unable to recover the costs of the research due to the very limited use of the final product. law provides research grants, protocol development assistance, special tax credits for cost of clinical trials and 7 years of exclusive market
teratogens
drugs that cause abnormal development of fetal tissues
measurable goals
goals must be estalished and statements written goals divided into short and long term plans measureable goal statement starts with an action word that is followed by the behavior or behaviors to be performed by the pt all goals and outcomes need to be individualized and based on the pts abilities pt goals rather than nursing goals nursing outcomes classification used to evaluate the effect of nursing interventions on pt care
method to help with nursing diagnosis?
gordons fucntional health patterns model
allergic reaction
hypersensitivity reactions occur in patient who have been previously exposed to a drug and whose immune systems have developed antibodies to the drug. upon re-exposure the antibodies cause a reaction that are usually seen as raised, irregularly shaped patches on skin (hives) which cause sever itching.
which route of administration has the fastest rate of distribution?
intravenous
Controlled substances in hospitals
inventory and dispersion control records
Nursing dx
nurse uses knowledge and skills to analyze data to identify whether certain major and minor defining characteristics relate to a particular problem patient related problems are referred to as nursing diagnosis not all problems are id during assessment-need involvment from multidisiplinary teams nursing dx may vary throughout a course of illness while medical dx tend to stay the same
nursing diagnosis and pharmacology
nursing dx often can be formulated bsed on the pt drug history most commonly associated with drug treatment for a disease or adverse effects from drug therapy also can originate from pathophysiology caused by drug interactions review the drug monographs to identify problems related to medication therapy other factors influencing nursing diagnosis are a pts personal and environmental situations and maturation
developing measurable goal statements
write short and long term goals for the pt to be followed when providing care