PSYCH 513 - 516 Flashcards
What is the primary characteristic in narcolepsy?
Excessive daytime sleepiness
What psychiatric diagnosis involves disordered regulation of sleep-wake cycles?
Narcolepsy
What hormone change drives narcolepsy?
Decreased orexin production in lateral hypothalamus
What are some associations with narcolepsy?
- Hallucinations - either hypnagogic or hypnopompic
- Nocturnal and narcoleptic sleep episodes that start off with REM sleep
- Cataplexy - loss of all muscle tone following a strong emotional stimulus, such as laughter
Is there a genetic component in narcolepsy?
STRONG genetic component
How do we treat narcolepsy?
Daytime stimulants (e.g. amphetamines, modafinil) and nighttime sodium oxybate (GHB)
Substance use disorder is defined as the maladaptive pattern of substance use marked by 2 or more of what signs within a year?
Mnemonic: SUBSTANCE
Social or interpersonal conflicts
Unsuccessful attempts to cut down
Broke (significant energy spent obtaining, using, or recovering from substance)
Still using despite knowing its problems, still using despite physically dangerous situations
Tolerance - need more to achieve same effect
Addicted - withdrawal symptoms
Nothing else (important social, occupational, or recreational activities reduced because of substance use; unable to fulfill major obligations
)
Craving
Excessive amounts
What are the 6 stages of change in overcoming substance addiction?
- Precontemplation
- Contemplation
- Preparation/determination
- Action/willpower
- Maintenance
- Relapse
What is the difference between precontemplation vs. contemplation?
Precontemplation - not yet acknowledging there is a problem
Contemplation - acknowledging there is a problem but not yet ready or willing to make a change
What is getting ready to change behavior called?
Preparation/determination
What is the stage of changing behaviors in overcoming substance addiction?
Action/willpower
What is maintenance?
Maintaining the behavior change
What is relapse?
Returning to old behaviors and abandoning new changes
Give 4 examples of classes of depressant psychoactive drugs.
- Alcohol
- Opioids
- Barbiturates
- Benzodiazepines
What are the nonspecific symptoms of depressant intoxification?
Elevated: Mood
Depressed: Anxiety, behavioral inhibition, respiratory, agitation (depressants cause sedation)
What are the general withdrawal symptoms of depressants?
Anxiety, tremor, seizures, insomnia
What are the intoxification symptoms seen with alcohol?
Mnemonic: ALCOholS Ataxia Lability (emotional) Coma Out (blackout) HOL Slurred speech
What can severe alcohol withdrawal cause?
Autonomic hyperactivity and delirium tremens
How do we treat delirium tremens?
Benzodiazepines
What are intoxification effects of opioids?
- Depression of respiratory and CNS
- Euphoria
- Decreased gag reflex
- Pupillary constriction
- Seizures
How do we treat an opioid overdose?
Naloxone, naltrexone
What are withdrawal symptoms for opioids?
3 HEENT:
- Dilated pupils
- Rhinorrhea
- Yawning
3 Systemic:
- Fever
- Sweating
- Piloerection (goosebumps)
3 Stomach:
- Cramps
- Nausea
- Diarrhea
What do we use to treat opioid withdrawal?
Long-term support, methadone, buprenorphine
Compare and contrast toxicity of benzodiazepine vs. barbiturate intoxification.
Barbiturates - respiratory depression
Benzos - minor respiratory depression, ataxia
What are withdrawal symptoms for barbiturates?
Delirium, life-threatening cardiovascular collapse
Do barbiturates or benzodiazepines have a greater safety margin?
Benzodiazepines
What are symptoms of benzodiazepine withdrawal?
Sleep disturbance, depression, rebound anxiety, seizure
Give 4 examples of stimulant psychoactive drugs.
- Amphetamines
- Cocaine
- Caffeine
- Nicotine
What are the nonspecific intoxification effects for stimulant drugs?
Elevated: Mood, psychomotor agitation, cardiac arrythmias, heart rate (tachycardia), anxiety
Depressed: Sleep (insomnia)
What are the nonspecific symptoms of stimulant withdrawal?
Post-use “crash” - depression, lethargy, weight gain, headache
What are the intoxification symptoms for amphetamines?
Mnemonic - AMPHETAMINE
Attention increase Magnified self view (grandiosity) Pupillary dilation Hypertension Euphoria Tachycardia Awake (prolonged wakefulness) MI (cardiac arrest) Increased temperature (fever) Nervous (paranoia) Eating less (anorexia
What are the withdrawal symptoms for amphetamines?
Anhedonia, increased appetite, hypersomnolence, existential crisis
What are the intoxification symptoms for cocaine?
Mnemonic: COCAINE
Cardiac death (sudden) treat with benzOs Creating things that aren't there (hallucinations) Angina Impaired judgment Nervous (paranoia) Eyes - pupillary dilation
What are the withdrawal symptoms for cocaine?
Hypersomnolence, malaise, severe psychological craving, depression/suicidality
What are the intoxification effects for caffeine?
Restlessness, increased diuresis, muscle twitching
Patient drinks 3 cups of coffee every day and suddenly stops one day. What is he or she likely to experience?
Lack of concentration, headache
What is the number on intoxification effect of nicotine?
Restlessness
What are some symptoms that people who quit cigarettes might experience?
Nicotine withdrawal - irritability, anxiety, craving
What are some possible treatments for someone trying to quit cigarettes (deal with nicotine withdrawal)?
Nicotine patches, gum, or lozenges
Bupropion/varenicline
Give three examples of hallucinogens.
PCP, LSD, marijuana
Of the three hallucinogens, which one is not associated with withdrawal symptoms?
LSD
What are the intoxification symptoms of PCP?
Mnemonic: ANGEL DUST
Agitation (psychomotor) Nystagmus analGesia Elevated temperature (fever) Loud (belligerent)
Delirium
Unstable (homicidality, psychosis, impulsiveness)
Seizures
Tachycardia
What are the withdrawal symptoms of PCP?
Depression, anxiety, irritability, restlessness, anergia, disturbances of thought and sleep
What are the intoxification symptoms for marijuana?
Mnemonic: MARIJUANA
Mouth dry Appetite increased Red eyes (conjunctival injection) Intense feelings of joy (euphoria) Judgment impaired Unstable (paranoid delusions, hallucinations) Anxiety No hurry (perception of slowed time) Alone (social withdrawal)
What are the withdrawal symptoms of marijuana?
Irritability, depression, insomnia, nausea, anorexia
What is the prescription form of marijuana?
Dronabinol (tetrahydrocannabinol isomer)
How do you treat ADHD?
Methylphenidate
How do you treat alcohol withdrawal?
Benzodiazepines
How do you treat anxiety?
SSRI’s, SNRI’s, buspirone
How do you treat bipolar disorder?
Mood stabilizers (lithium, valproic acid, carbamazepine), atypical antipsychotics
How do you treat bulimia?
SSRI’s
How do you treat depression?
SSRI’s, SNRI’s, TCA’s, bupropion, mirtazapine (especially with insomnia)
How do you treat OCD?
SSRI’s, clomipramine
How do you treat panic disorder?
SSRI’s, venlafaxine (think hyperVENtilation), benzodiazepines
How do you treat PTSD?
SSRI’s
How do you treat schizophrenia?
Antipsychotics
How do you treat social phobias?
SSRI’s, beta blockers
How do you treat Tourette syndrome?
Antipsychotics (e.g. haloperidol, risperidone)
What is a sensitive indicator of alcohol intoxification?
Serum gamma-glutamyltransferase (GGT)
What do AST/ALT values look like when someone is alcohol-intoxicated?
AST twice the ALT
What are CNS stimulants used to treat?
ADHD, narcolepsy, appetite control
What is the mechanism of CNS stimulants?
Increase catecholamines at the synaptic cleft, especially norepinephrine and dopamine
How do you treat intoxification of PCP?
Benzodiazepines, rapid-acting antipsychotic
How do you treat benzodiazepine intoxification?
Flumazenil
How do you treat cocaine intoxification?
Benzodiazepine
Name 2 uses of dronabinol.
- Antiemetic (chemotherapy)
2. Appetite stimulant (AIDS)
When do most withdrawal symptoms for marijuana peak?
48 hours, but last for 5-7 days
How can marijuana use be detected?
Urine - for 4 to 10 days
What are heroin users at increased risk for?
Hepatitis Enflamed anus (hemorrhoids) Right-sided endocarditis Overdose Immunocompromise (AIDS) Neutrophil-filled abscess
What is a life-threatening alcohol withdrawal syndrome and when does it occur?
Delirium tremens - peaks 2 to 5 days after last drink
How do we treat delirium tremens?
Benzodiazepines
What are the symptoms in order of appearance of delirium tremens?
Autonomic system hyperactivity (tachycardia, tremors, anxiety, seizures)
Psychotic symptoms (hallucinations, delusions)
Confusion
What are 3 treatments for heroin addiction?
- Methadone
- Naloxone + buprenorphine
- Naltrexone
What is methadone?
Long-acting oral opiate used for heroin detoxification or long-term maintenance