Behavioral Dynamics Exam 2 Cards Flashcards
Substance
Alcohol, tobacco, illicit drugs, or improperly used medication
Substance use
Sporadic consumption with no major adverse events
At-risk substance use
Codependency
Condition characterized by a person who is significantly affected by another person’s substance abuse or addiction
Substance abuse
Maladaptive use causing impairment or distress over a 12 month period - one of the substance abuse criteria must be met
4 Substance abuse criteria
CURFEW - But the EW doesn’t stand for anything
Failure to fulfill major role obligations
Use of drugs in hazardous situations
Recurrent legal problems due to substance use
Continued use despite persistent social of interpersonal problems resulting from use
Dependence
State of adaptation manifested by a substance-class specific withdrawal syndtrome
Addiction - 4Cs
Impaired control over use
Compulsive use
Continued use despite harm
Craving for substance
Line between use and addiction generally
When patients no longer have control over their use
Patients 12+ years old who report illicit drug use in the past month
1 in 10 (14%)
Percent of people with a substance abuse problem who are not aware of it
95%
Correlation between age at first use and probability of addiction
Younger age of first use=higher risk of later addiction
Late teens to early 20s are highest ages of risk
Lifetime prevalence of EtOH use
4 out of 5 patients
Prevalence of EtOH use within the past 12 months
2 out of 3 patients
Prevalence of EtOH use in the past 12 months in ages 12-20
1 in 10 patients
Prevalence of lifetime vaping 12 and up
1 out of 2 patients
Numbers of people abusing marajuana or pain killers respectively
Marijuana - 4.3 million
Pain killers - 1.9 million
What substance is the leading preventable cause of death in the US
Tobacco
Three core reasons why people use substances
To feel good (ie. experimentation)
To feel better (escape from anxieties)
To fit in
Anandamide
4 things it is involved in
Neurotransmitter involved in pain regulation, appetite, mood, and memory
Similar to THC
5 things stimulated by Dopamine
Movement, motivation, reward, addiction, well-being
4 things stimulated by serotonin
Mood, memory, sleep cognition
2 things stimulated by glutamate
Learning, memory
2 things stimulated by endorphins
Lessened pain, euphoria
2 things stimulated by GABA
relaxation, anxiolytic
What happens in the brain as we get addicted
Fewer dopamine receptors become available
Which should be treated first - mental illness or substance use?
Whichever is more pressing
Opponent-process theory
Every process has an opponent or opposite process that sets in after the primary process is over - on repetition the primary process gets weaker and secondary process gets stronger
Chronic drug use leads to lower highs and more severe withdrawals
Proportion of US adults who use alcohol in a risky manner
3 in 10
Average moderate and binge drinking for men
Average - 15 drinks per week
Moderate 1-2 per day
Binge 5+ on one occasion
Anything more than moderate is heavy drinking
Average, Moderate, and binge drinking for women
Average 8+ drinks per week
Moderate 1 per day
Binge 4+ drinks on 1 occasion
Anything more than moderate is heavy drinking
Excessive drinking criteria in the elderly
1+ per day or 7+ per week
How much alcohol makes up a drink
Beer
Wine
Malt Liquor
Hard Liquor
.5-.6 oz of alcohol
Beer - 12 oz
Malt 8 oz
Wine 5 oz
Hard Liquor 1.5 oz
Go down by ~3.5 oz each time
How much alcohol in ounces and drinks can the liver process in 1 hour
1 drink or .5 ounces
Telescoping effect and 4 factors that lead to it
Faster timeline from first drink to alcohol dependence - often in women
Lower EtOH dehydrogenase
Lower total body water
Smaller volume of distribution
Drink like (possibly male) partner
Male to female ratio for alcohol use
4 to 1
CAGE Questions
Have you ever felt you ought to cut down on your drinking?
Have people annoyed you by criticizing you for your drinking
Have you felt guilty about your drinking
Do you need a drink in the morning to steady your nerves (Eye Opener)?
How many CAGE questions raise a red flag? Prompt a more in depth assesment?
Even one yes is a red flag
2+ prompts a more in-depth assesment
Apraxia
Inability to have coordinated movements
Agnosia
Inability to process physical input - can be irreversible
MOA of EtOH
Crosses blood brain barrier and acts as a sedative/hypnotic
Stimulates GABA, Glutamate, and Serotonin receptors
Blood alcohol level at which motor actions become clumsy
0.1%
Delirium Tremens
Effect of Alcohol Withdrawal in which GABA receptors are reduced - causes sensory hyperacuity, halucinations, hyperreflexia, anxiety, agitation, etc.
Wernike encephalopathy
With 3 classic symptoms
From chronic alcohol use - Confusion, ataxia, opthalmoplegia
Can be reversed with thiamine and B vitamins
Korsakoff Psychosis
Remember the 4As
Antero and retrograde amnesia, Aphasia, apraxia, agnosia
Treat with thiamine and B vitamins BUT only 20 percent are reversible
Onset timing of alcohol withdrawal
8-12 hours after the last drink
3 Benzodiazepams used for alcohol withdrawal
Diazepam (Valium), Lorazepam (Ativan), Chlordiazepoxide (Librium)
2 antihypertensives for alcohol withdrawal
Clonidine and Atenolol
3 Things to use for alcohol withdrawal
Benzos
Anti-HTN
Nutrition
Nutrition to give for alcohol withdrawal
B vitamins
Thiamine BEFORE IV glucose
Fluid replacement if needed
Scoring to assess alcohol withdrawal
CIWA scoring
Treatment for Mild and Non-Mild EtOH withdrawal
Mild - short course of tapering PO BZD
Moderate or Severe - Hospital admission with regular IV BZD until stable
Seek to involve social work/psych to treat underlying cause
2 common side effects and 1 uncommon for thiamine administration for alcohol withdrawal
Common - Low BP, May effect glucose metabolism
May rarely see anaphylaxis/bronchospasm
Naltrexone for chronic alcohol use
Blocks dopamine release in the brain - lack of reward for drinking - good for +hx and +craving
Hard on Liver
Acamprosate (Campral)
MOA
and Metabolism
Works to restore glutamate action and effects for chronic alcoholism
Hard on kidneys
666mg orally TID
Disulfiram (Antabuse)
Inhibits aldehyde dehydrogenase, makes any alcohol contact awful including mouthwash sometimes
Makes drinking an awful experience
Not very effective
4 other alternative drugs for chronic alcohol use
Anticonvulsants, Muscle relaxants, Antidepressants, Antinausea
Proportion of US deaths that are tobacco related
1 in 5
EVALI
Acute lung injury associated with vaping, involves the lungs filling with fluid
Ciggarette Pack to E-cig cartridge conversion
1 cartridge=1pack
Effect of nicotine on the body
Increases dopamine and epinephrine. Acts as a stimulant
Why does nicotine tolerance occur
Upregulation of nicotinic receptors
cigarette withdrawal timeframe
As early as 2 hrs after last cigarette, peaks at 72 hours can last 3-4 weeks
6 acute toxic affects of smoking
Nausea, salivation, pallor tachycardia, poor concentration, poor REM sleep
3 indicators of smoking that may not be readily obvious
Pharyngeal erythema, Continine (can also be from secondhand smoke), Anabasine (not usually from secondhand smoke)
Recommended treatment for tobacco use
Nicotine replacement - Vapes NOT recommended as therapy
Combo patch (LA) with Oral (SA)
Pro, Con and side effects of transdermal nicotine patch
Good compliance d/t simplicity
No chance to adjust dose - continuous
Skin irritation, insomnia, vivid dreams
Nicotine gum
Diminishes rather than stops withdrawal
Excessive salivation, HA, Mouth irritation
Avoid those with TMJ or poor dentition issues
4 steps for using nicotine gum
Chew
Stop when mouth begins to tingle
Resume chewing when tingling/minty taste fades
Repeat
Nicotine replacement option with the highest nicotine content and 4 side effects it has
Oral nicotine lozenge
Palpitations, HA, irritation, insomnia
Benefits and drawbacks of a nicotine inhaler
Helps satisfy behavioral cravings - same absorption as lozenge or gum
Can lead to irritation and bronchospasm - don’t use in asthmatic patients
Two drugs used to treat tobacco use
Bupropion
Varenicline (Chantix)
MOA of bupropion for smoking and SEs and CIs
Blocks dopamine and NE reuptake and antagonizes nicotinic and cholinergic receptors - sustained release recommended
SE - insomnia, agitation, dry mouth, headache
CI - epilepsy, anorexia
MOA of Varencycline (Chantix), SEs and CIs
MOA - Partial antagonist for nicotinic cholinergic receptors, partially stimulates receptor and also blocks nicotine from binding
SE - vivid dreams, nausea, insomnia
CI-Hypersensitivity to tx
Potentail MOA for a nicotine vaccine
Would stop antibodies from crossing the BBB
Three things that usually happen after smoking cessation
Weight gain (1-2 kg in the first two weeks, 2-3 kg later on)
Depression and anxiety
Increased cough and mouth ulcers
Nicotine gum equivalent to 1 pack per day
4mg
Mu receptors
Mediate pain, respiratory depression, constipation and physical dependance
Kappa receptors
Analgesia, diuresis, sedation, psychological dependance
5 effects of a mild opioid intoxication
Pupillary constriction, Constipation, Slurred words, Drowsiness, Mood change
2 effects of severe opioid intoxication
Pinpoint pupils, respiratory depression
How much naloxone should be given for cardiorespiratory arrest?
2mg
What happens in long-term opioid use?
Desensitization and Downregulation of opioid receptors
Leads to both physical and psychological dependance
Grade 0 opioid withdrawal
Craving, anxiety
Grade 1 Opioid withdrawal
Yawning, Lacrimation, Rhinorrhea, persperation
Grade two opioid withdrawal
First treatable grade
mydriasis, piloerection, anorexia, tremors, hot and cold flashes, itching
Grade 3 opioid withdrawal
Increased temp, HTN, Tachycardia, tachypnea
Grade 4 opioid withdrawal
Vomiting, Diarrhea, Weight loss, hemoconcentration, spontaneous orgasm/ejaculation
Length of opioid withdrawal for morphine or heroin
7-10 days
2 opioid-like drugs that can be given for ACUTE opioid withdrawal
Methadone and Buprenorphine
2 drugs that can treat symptoms of ACUTE opioid withdrawal
Clonidine, Lofexidine
Difference between Buprenorphine, other opioids and nalaxone
Nalaxone is an antagonist
Buprenorphone is a partial agonist
Heroin is a full agonist
Drug indicated for chronic opioid use treatment but not for acute
Naltrexone - opioid antagonist
Black Box warning for naltrexone
Hepatocellular injury
MOA and side effects of methadone
Opioid agonist
Constipation, drowsiness, edema, reduced libido
Greater chance for lethal OD than buprenorphine
4 criteria a patient must meet at least one of to qualify for methadone
One year of continuous use or intermittent use for over 1 year
Have been on methadone mainainance within the past to years and show signs of imminent return to opioids
Recently released from prison or hospital and show signs of imminent return
Pregnant and opioid dependant
MOA and SEs of buprenorphine
Available as long acting implant
Partial opioid agonist
HA, Nausea, insomnia
Best long term outcomes for opioid withdrawal
Therapy COMBINED with medication
5 symptoms of meth use
Picking at skin, Aggression, Dilated pupils, Dry mouth leading to tooth decay, Rhabdomyolosis
Treatment for amphetamine intoxication
Treat symptoms:
Antihypertensives, airway management, Fluids, Cooling for hyperthermia
Timeframe for meth withdrawal
develop in a few hours, peak in 1-2 days, resolve in two weeks
3 acute and 3 subacute amphetamine withdrawal symptoms
Acute: dysphoria, anhedonia, vivid drems/insomnia
Subacute: Depression, suicidal thoughts, insomnia/hypersomnia
Treatment for amphetamine withdrawal (4)
None proven some possibilities are:
Benzodiazepines, antidepressants, antipsychotics, behavioral therapy
First line for chronic amphetamine use treatment
Bupropion and naltrexone
Second line treatment for chronic amphetamine use
Mirtazapine
Adjunct or alternative treatment for chronic amphetamine use
Methylphenidate (stimulant) Topiramate (anticonvulsant
What causes a high temperature in meth users
muscle rigidity
Antipsycotic that might be used for meth addiction
Haldol
MOA of benzodiazepines
enhance the effect of GABA
Causes sleep, relaxation of muscles, etc.
What happens with chronic BZD use?
GABA receptors change and BZD has less affinity for them
Sign of BZD overdose and what it might be combined with
CNS depression with normal vital signs
Often overdose with other substances especially alcohol
Anxiolytic overdose treatment
Flumazenil - competitive antagonist of GABA receptor
Use with caution, can precipitate withdrawal seizures side effects may not be worth it
BZD treatment for withdrawal from BZDs
Titrate to effect IV, slowly wean over a period of months
4 potential adjunct medications for BZD withdrawal
Beta blockers, antipsychotics, SSRIs, antihisthamines
All shown to be inferior treatments for acute withdrawal
4 aspects of treating chronic BZD use
4 Anticonvulsants used
Treat underlying anxiety
Treat other substance abuse issues
6-12 month taper
Anticonvulsants (valproic acid, gabapentin, topiramate, lamotrigine)
Psychosis
Seeing/Hearing things that aren’t there
MOA of cocaine
Blocks dopamine reuptake
Treatment for cocaine use
No set treatment
Dopamine agonist Bromocriptine
Antipsychotics for psychoses
Incidental effect of cocaine that could make it clinically useful
Causes vasoconstriction - can stop nosebleeds but also cause a heart attack
3 long term treatments for chronic cocaine use
Topiramate, Dopamine agonists/Stimulants, Disulfiram
THC in marajuana now compared to the 60’s
was 1-5% now is 10-15%
MOA of THC
Mimics anandamide and increases dopamine levels
4 symptoms of acute marijuana use
Euphoria, Disinhibition, Hunger, Conjunctival infection
5 Long term effects of marijuana use
Increase in pulmonary cancer risk, EKG changes, infertility, brain volume loss, Cannabis hyperemesis syndrome
Tx for marijuana use and its goal
Sustained abstinence rather than controlled low level use
Psychosocial interventions are preferred over pharmacy
4 drugs that MAY be helpful for treating marijuana use
acetylcysteine, gabapentin, topiramate, varenicline
Antidepressants and synthetic THC have NO effect
Mood
Overall state of emotion at a given time
3 Criteria that must be met for all DSM psychiatric conditions
Condition is not cause by the direct effect of any drug or external exposure
The psychiatric disorder is not caused by the effects of a medical condition
There is significant impairment of social functioning, occupational functioning or both
4 physical symptoms of depression
Sleep changes, Fatigue, Appetite changes, Activity changes
3 psychological symptoms of depression
Feelings of worthlessness or guilt, concentration, Thoughts of death or suicide
2 drugs that can cause depression
Steroids and interferons
Atypical depression
Reactivity to pleasurable stimuli, hyperphagia and hypersomnia
What must a patient have to be diagnosed with MDD
At least ONE major depressive episode
3 screening tools for MDD
PHQ-2 - Initial screening for depression asks about key symptoms
PHQ-9 Further evaluation used as a follow up to PHQ-2
Zung self rated depression scale - allows for a more in-depth rating of current symptoms
Disthymia
Persistent depression
MC population for depression
Women, younger age groups
Preferred approach to depression
Combination of pharmacotherapy and psychotherapy
Diagnostic criteria for depression
A depressed mood or anhedonia for over two weeks and 4+ SIG E CAPS symptoms
5 criteria that indicate inpatient treatment of depression
Suicidal/homicidal ideation with intent and plan, Psychosis, Catatonia, Impaired judgement - dangerous
Unable to care for self d/t impaired functioning
Indications for ECT
Severe refractory depression and patients who cannot tolerate other therapies
Vagal nerve stimulation
Devide is implanted on the chest wall with contact to the left vagal nerve - used for epilepsy but may also aid in depression
Indications and Contraindications for transcranial magnetic stimulation
For treatment refractory depression, contraindicated in high seizure risk patients for patients with metal implants
Less effective than ECT
S-adenosylmethionine
Naturally occurring in the body, may raise dopamine levels and safe in pregnant patients with MDD
May trigger manic episodes
5-hydroxytryptophan
Natural precursor to serotonin. Risk of GI upset and serotonin syndrome
Omega-3 fatty acids for MDD
May work better when combined with antidepressants, may increase risk of bleeding
St. John’s Wort for MDD
Increases serotonin and possibly NE and Dopamine causes photosensitivity and many Drug interactions
Saffron for MDD
Unclear MOA, can be fatal at high doses
Ginko for MDD
Improved mood in memory loss patients, may increase sensitivity to serotonin and bleeding risk
4 classes of oral antidepressants
SSRIs, SNRIs, Serotonin modulators, TCAs
3 1st gen antidepressants
MOAIs, TCAs, TeCAs
Presentation of an ECT seizure
May not be a full seizure - just foot tapping
Time required between an SSRI and a MOAI
2 weeks normally
5 weeks for prozac
Dosing for SSRIs
QAM with a typical half life of 24 hours
6 potential side effects of SSRIs
GI upset, Sleep changes, Headache, Anxiety, ED, Serotonin syndrome and prolonged QT