Mental Health part #3 Flashcards
the habitual use of a substance that falls outside of medical necessity or social acceptance for the single purpose of altering ones mood, emotion, or state of consciousness and resulting in adverse effects to the abuser or to others
abuse
a habitual psychological and physiological dependence on the substance beyond ones voluntary control
addiction (dependence)
when the body adapts to the substance and gradually requires increasing amounts of the substance to reproduce the effects originally produced by smaller ones
tolerance
transitory recurrences of perceptual disturbance caused by a persons earlier use of a hallucinogenic drug when in a drug free state
flashback
combination of drugs can intensify or prolong the effect
synergistic effects
combination of drugs to weaken or inhibit the effect of one of the drugs
antagonistic effects
people who are co dependent often exhibit over responsible behavior (doing for others what others could just as well do for themselves)
codependence
what are some co dependent behaviors
attempting to control someone else’s drug use
finding excuses for the persons use
covering up the persons drinking/drug use
feeling responsible for the persons use
eliciting promises for change
a maladaptive pattern of substance use leading to clinically significant impairment or distress, as manifested by one or more of the following, occurring within a 12 month period
substance abuse
addiction is characterized by
loss of control and tendency to relapse
what plays a major role in all addictions
dopamine
how do drugs work in the body system
they effect the limbic system, the brain circuits allow pleasure, which increase the response to dopamine, the 1st time of use, neurons release an abnormally high amount of dopamine, eventually the user needs increase amounts to achieve the same feeling
name CNS depressants
alcohol
barbiturates
benzodiazepines
barbiturates
sedative hypnotic
slight overdose can cause coma or death
addictive
benzodiazepines
aka date rape drug
sedative hypnotic minor tranquilizer addictive produces sedation, muscle relaxation, and lowers anxiety levels combined with alcohol can be lethal
examples of benzodiazepines
versed, Xanax, Ativan, Librium, valium
over dose on benzodiazepines/barbiturates
cardiovascular or respiratory depression, coma shock, convulsion, death
withdraw effects of benzodiazepines/barbiturates
N/V, tachy, diaphoresis, anxiety, tremors, grand mal seizures, delirium
the body burns how much alcohol in an hour
0.5 oz
alcohol intoxication
slurred speech, incoordination, unsteady gait, drowsiness, decreased blood pressure
excessive etoc interferes with storage of new memories in hippocampus, lost from memory within minutes of its occurrence
alcoholic blackouts
when does alcohol withdraw develop
4-12 hours after cessation or reduction of use
when does alcohol withdraw peak
24-48 hours
S/sx of alcohol withdrawal
tachy, sweating, increase BP, tremors, insomnia, psychomotor agitation, anxiety, N/V, malaise, grand mal seizures, transient visual hallucinations
intervention for alcohol withdraw
support measures, benzo’s (Librium for WD S/SX)
if they have a Hx of WD seizures: clonodine
alcohol withdraw delirium
MEDICAL EMERGENCY
death is usually due to sepsis, MI, fat embolism, peripheral vascular collapse, electrolyte imbalance, aspiration pneumonia, or suicide
S.Sx of alcohol withdraw delirium
disorientation, tachy, diaphoresis, increase BP, perceptual disturbances, fluctuating LOC
Sx of overdose
cool or clammy skin, respirations less than 10/min, cyanosis, emesis while semiconscious, or conscious, seizure
Tx for overdose
AIRWAY
if awake induce vomiting, VS Q15 minutes
if coma clear airway, IV fluids, gastric lavage with activated charcoal
most serious form of thiamin deficiency, paralysis of ocular muscle , diplopia, ataxia
death if thiamine tx not implemented
wernickes encephalopathy
chronic use of alcohol can have effects on what organs
heart: increase BP, produces deterioration of heart muscle
liver: fatty liver, cirrhosis, portal HTN, ascites, hepatic encephalopathy
pancreas: blockage of pancreatic ducts, pancreatic insufficiency (malnutrition, weight loss, DM)
Tx used for alcoholism
Naltrexone, acamprosate, Disulfiram, acupuncture AA
Naltrexone
used for craving, blocks opiate receptors to reduce ETOH craving
Acamrosate
helps to abstain from alcohol
disulfiram
a drug that makes drinking painful
NDX for alcoholism
altered nutrition
denial
ineffective coping
CNS stimulants
cocaine, crack, amphetamines, methamphetamines
Meth
releases excessive dopamine in the brain, smoked, injected, snorted
highly addictive, destroys brain cells that contain dopamine and serotonin
Prolonged use of meth (effects)
weight loss, severe tooth decay (meth mouth), skin sores, dry mouth
amphetamines
sniffed swallowed, snorted, injected
S/Sx of meth or amphetamine
increased energy, resembles paranoid schizophrenia, paranoia with delusions, psychosis, hallucinations, panic levels of anxiety, potential for violence
cocaine
made from leaf of coca bush, fine white powder, schedule II, produces an imbalance of the neurotransmitters dopamine and norepinephrine
the high in cocaine is obtained when
snorted: 3 minutes
injected: 30 seconds
smoked: 4-6 seconds (crack)
how long does the high last with cocaine
15-30 minutes for cocaine, and 5-7 for crack
S/Sx of cocaine
tachy, dilated pupils, elevated BP, N/V, insomnia, assertiveness, grandiosity, impaired judgment, impaired social and occupational functioning
overdose Tx for stimulants
antipsychotics, manage convulsions, resp distress, cardiovascular shock
caffeine
stimulant, most commonly used psychoactive drug in the world
how much caffeine is too much
200 stimulates mental activity
300 tremors, insomnia
sources of caffeine
coffee, tea, soft drinks, choc. OTC (analgesics, stimulants, cold relief preparations
what effects does caffeine have
stimulates brain, heart, kidneys, and increases acid production in stomach
withdraw from caffeine
tiredness, HA, irritability
onset is 12-24 hours after abstinence
peaks 20-51 hours
nicotine
stimulates central, peripheral and autonomic nervous system
causes increased alertness, concentration, attention, appetite suppression
Heroin
addictive, ranges from white to dark brown, cut with other substances, can be sniffed, snorted, smoked, injected (most common)
what happens when someone becomes addicted to heroin
spend more time and energy obtaining and using the drug, may become the primary purpose in life
intoxication of heroin
constricted pupils, decrease RR/BP, slurred speech, drowsiness, psychomotor retardation, initial euphoria followed by dysphoria and impairment of judgment and momory
overdose Sx of heroin
dilation of pupils, Resp arrest, cardiac arrest, coma, shock, convulsions, death,
Tx for overdose of heroin
narcan (reverses CNS depression)
withdraw from heroin Sx
yawning, insomnia, irritability, runny nose, panic, diaphoresis, cramps, N/V, “bone pain”, fever, lacrimation, diarrhea
Tx for withdraw of heroin
methadone, trexan, clonidine
marijuana
cannabis sativa, tetrahydrocanniol, hashish (strongest form)
initial effects of marijuana takes place when
within minutes, last for 3 to 4 hours
effects of marijuana
euphoria, inappropriate laughter, grandiosity, sedation, impaired cognition/motor skills, sensation of prolonged time sequences, blood shot eye, increase appetite, tachy, dry mouth
how does marijuana work
fat soluble, absorbed rapidly after being smoked or taken orally, binds with opioid receptors in the brain, can be stored for weeks in fat tissue and in brain, dependence does develop
what can happen if you have long term use of marijuana
accumulation in frontal cortex, limbic areas, brains auditory and visual perception centers