118 Mod 3 (Toxicology and Behavioral Emer) Flashcards
Overt Behavior
open and generally understood
Covert Behavior
have hidden meanings or intentions that only that person understands
Behavioral Emergency vs
Psychiatric Emergency
Behavioral - behavior that interferes with daily living activity
Psych - when it threatens a person health and safety (or another persons)
Delusions vs Hallucinations
Delusions - false beliefs
Hallucinations - sense perceptions not found on objective reality
If a patient refuses to engage with you…
continue to talk with them about the situation, explain your responsiblities
What are 4 causes of abnormal behavior
1 - biologic or organic
2 - environment
3 - acute injury, illness
4 - substance- related
Psychiatric Signs vs Symptoms
Symptoms - the effects of the abnormalities and corrective measures
Signs - Observing the effects
Define Affect
The outward expression of a person’s inner feelings
Define Stereotyped movements
Repetition of movement that dont seem to have purpose
Define Compulsions
Repetitive actions to relieve anxiety of obsessive thoughts
Define Pressure of Speech
pouring out of words like water escaping under pressure
Define Neologisms
words the patient invents
Define Echolalia
patient echoes words he or she hears
Define Mutism
Patient doesnt speak at all
Define Flight of Ideas
Fast thinking but skipping from one thought to the next
Define Confabulation
Inventing things to fill gaps in memory
Define Circumstantial thinking
Inclusion of many irrelevant details
Define Perseveration
repetition of the same idea over and over again
Define Inappropriate affect
emotion out of sync with situation
Define Flat affect
absence of emotion
Define Catatonic
Lacking expression or movement, appearing rigid
Constricted Pupils vs
Unequal pupils
Constricted - opiate ingestion
Unequal - cerebral trauma
Define MSE COASTMAP
C - consciousness (attentive)
O - orientation (year, location)
A - Activity (sitting still)
S - Speak (speaking clear)
T - Thought (making sense)
M - Memory - (remembers)
A - Affect/Mood (is appropriate)
P - Perception (awareness)
Signs Organic causes
part of the secondary assessment
Fever, intracranial pressure, skin temp, tattoos, scars, trauma, pupils, breath odors, needle tracks, tremors, loss of sensation
Define Confrontations
Directing the patients attention to something they might not have noticed without sounding condescending or judging
Things you should do when talking to patient
Ask open non leading questions
Sit 45 degree across
Don’t give patient choices, state best action
Observe the patient at all times (never alone)
Stay between patient and exit
Let patient do things for themself
Bring all meds to hospital
Assume patient can hear everything, explain everything
How many people does it take to restrain a patient
5 trained - one at head, one at each limb
When restraining patient
avoid injury, give option of non violence
Remove any equipment or jewelry from your own body that could be used as a weapon (eg, name badge, scissors worn on the belt, key chain, earrings).
Secure Supine, with head turned to side
Never tie ankle and wrist together
Do not make deals
Monitor ABC, CMS
What is a two point restraint
one arm is placed upward toward the head and the other is placed downward toward the waist.
Define Psychosis
A state of delusion in which a person is out of touch with reality
When should you give Chemical Restraint
After verbal attempts
and with approval from medical control (following protocols)
What are most common chemical restraints
benzodiazepines, antipsychotics, dissociative agents, and antihistamines
(black box warning - serious adverse effects)
Name some Benzos
Diazepam (valium) - IV
Lorazepam (Ativan) - IM/IV
Midazolam (Versed) - IM/IV,IN (short acting)
can be for ped or adult
Define Ataxia
Impaired balance or coordination
Name some Antipsychotics
Droperidol (inapsine)
Haloperidol (Haldol)
Ziprasidone (Geodon)
- black box warning for Droperidol cause prolonged QT, caution with electrolye imbalance
- High doses of Haldol and IV -cause prolonged QT and torsades de pointes. Do not give haldol under 14, or head trauma, or pregnant, not approved for dementia, caution with electrolye imbalance
Monitor with ECG
May cause seizures (extra pyramidal symptoms)
Name the newer Antipsychotics
Olanzapine (Zyprexa)
Ziprasidone
(may have fewer extra pyramidal symptoms)
monitor for hypotension, bradycardia, BGL
What is recommended for ped patients
Droperidol
What combination should you avoid in older dementia patients
parenteral olanzapine and a
benzodiazepine to the same patient
Is Ketamine used to chemically restrain patients?
Ketamine - N-methyl-D-aspartate
receptor antagonist
is used for sedation but has complications
not approved by the FDA
Name antihistamine used
Diphenhydramine (Benadryl)
used for sedation
produces anticholinergic effect in brain
used for both adult and peds
Define Acute Psychosis
person is out of touch with reality (voices feelings within)
hyper, stereotyped movement,
many causes both organic and biologic, common cause mind altering drugs.
other causes - stress, disorders, schizophrenia
When dealing with a violent patient
Do not turn your back on the patient
Maintain a safety zone of two arms lengths
Stand slightly to the side at 45 degrees with escape route unobstructed
Note any possible weapons
Define Unipolar Mood Disorder
Patients who experience either depression or mania
mood remains at only one side
unipolar mania is rare
Define BiPolar Mood Disorder
Alternating between mania and depression (both sides)
Define Mania (Manic Behavior)
Having exaggerated perception of joy with hyperactivity and insomnia. My have hallucinations.
unable to concentrate
rapid speech, rapid thoughts
tangential thinking - skipping topics
may become hostile.
Be calm, firm, talk away from others. consult medical control if needed.
Tangential thinking vs Circumstantial thinking
Tangential - rapid skipping topics
Circumstantial - including many irrelevant details
Define Depression
can be sudden or subtle in onset and chronic in nature.
dysthymic disorder - chronic form of depression, most days over atleast 2 years.
Mnemonic for depression
GAS PIPES
G - Guilt
A - Appetite
S - Sleep
P - Paying attention
I - Interest
P - Psychomotor abnormal
E - Energy
S - Suicidal thoughts
Define Schizophrenia
A mental disorder usually onset during early adulthood.
delusions, hallucinations, apathy, mutism, flat affect, lack of interest in pleasure, erratic speech, dysfunctional emotional responses, and dysfunctional motor behavior.
Define Neurotic disorder
several disorders without psychotic symptoms.
Define anxiety disorder
patients experience persistent, incapacitating anxiety in the absence of external threat.
Define Generalized Anxiety Disorder
A diagnosis of GAD requires that symptoms (anxiety and worry) must be present more days than not for a period of at least 6 months, and the worry must be difficult to turn off or control.
Define Phobic Disorder
Fear of a specific situation or thing.
Define Simple phobia`
patient focuses all anxieties onto one class of objects or situation.
Define Panic Disorder
sudden, usually unexpected, and overwhelming. feelings of fear. Attacks usually begin in 20s.
Massive activation of the autonomic nervous system.
palpitation and sweating, hyperventilation
peak 10 mins last up to an hour
seperate from public, calm, safe
Define Agoraphobia
Fear of public places
4 Levels of substance related disorders
Moderate
Substance intoxication - use causes impaired thinking/motor
Substance Abuse - disrupts ADLs
Substance Dependence - needs more and more
Bulimia vs Anorexia
bulimia - binging then puriging food
anorexia - lose so much weight, jeopardize health. fear of obesity while being underweight. May have amenorrhea (absence of menstruation)
both could have severe electrolyte imbalance leading to cardiac, seizures, renal failure, etc.
Define Somatoform Disorder
overly concerned with physical health and appearance.
hypochondriasis is a classic example, patients have extreme anxiety or fear that they may have a serious disease. Imagined symptoms
Define Conversion disorder
physical condition (eg, paralysis, blindness, or seizures) has no identifiable pathophysiology but results from malingering or faking a physical disorder.
Define Factitious Disorder
Aka Münchausen syndrome, is a condition in which a person intentionally produces or feigns physical or psychological signs or symptoms. In such cases, the patient wishes to be sick.
by proxy - parent faking child sickness
Define Impulse control disorder
Examples include intermittent explosive disorder, kleptomania, pyromania, and pathologic gambling.
Typically associated with other disorders depression, alzheimers
Define Personality disorders
When these ways of relating to others become dysfunctional or cause distress to other people, that person is considered to have a personality disorder.
Name types of Psychiatric Meds
Antidepressants
Benzodiazepines
Antipsychotics
Amphetamines
Name 4 types of Antidepressants
SSRI - selective reuptake inhibitors - also used for panic/anxiety disorders
SNRI - serotonin-norepinephrine reuptake
tricyclic antidepressants (TCAs),
monoamine oxidase inhibitors (MAOIs).
What is a common antidepressants
Citalopram (Celexa) - SSRI
SSRI lack the anticholinergic, and cardiac effects of other antidepressants
Benzos contraindication
Allergic
Narrow angle gaucoma
Pregnancy
Have long half lives and can cause sedation, confusion in older patients
Name two common Benzos
Diazepam (Valium)
Lorazepam (Ativan)
may be prescribed for emotional distress, panic, anxiety, seizures, muscle relaxation
Define AntiPsychotic Drugs
Neuroleptics - neurologic function meds
Newer - AAP - atypical anti -psychotic drugs (seroquel, zyprexa)
order - typical antipsychotic drugs (prolixin, thorazine)
relieve delusions, hallucinations
side effects - glucose dereg, hypertension, ecg changes
Phenothiazines - HALOPERIDOL - ecg changes
May have Anticholinergic effects - drymouth, urinary retention, etc
Define Acute Dystonic Reaction
patient develops muscle spasms of the neck, face, and back within a few days of starting treatment with antipsychotic meds.
You can rapidly correct an acute dystonic reaction by giving diphenhydramine (Benadryl), 25 to 50 mg IV.
However, the muscle spasms are likely to recur after the diphenhydramine wears off.
Define Amphetamines
Are Central Nervous and parasympathetic stimulants
stimulants similar to other sympathomimetic medications (eg, epi)
Amphetamines (eg, Adderall) are prescribed to help with attention deficit disorder with hyperactivity.
may raise both systolic and diastolic blood pressure while often slowing the pulse rate. Cardiac dysrhythmias may occur with large doses.
What meds are good for aggression
Benzodiazepines and antipsychotics
What are the 2 most frequent diagnoses of Vets
PTSD,
depressive disorders
were number one and two on the list,
acute stress disorder - within days of event, diagnosis is made within the first month of symptoms.
Licit vs Illicit
Licit - legal
Illicit - illegal
What do we give for Excited Delirium
Benzos
Versed IM -
What do you give for Benzo overdose
Flumazanil - 0.2mg IV over 15 secs
signs: respiratory depression
Signs and Treatment for Atropine or Benadryl (and TCA) overdose
Anticholinergic overdose
(and Antihistamine, TCA)
Dilated pupils, blurred, tachy,, dry as a bone.
Define poison
a substance whose chemical action could damage the body
Define Toxin
a poison produced by bacteria, animals, or plants
Define Bioavailability
the percentage of unchanged substance that is present in the systemic circulation.
Define Half-Life
the amount of time needed for the average person to metabolize or eliminate 50% of a substance in the plasma. The half-life of a drug is commonly expressed in minutes, but it is possible for the half-life to last for hours or even days.
Intentional vs Unintentional Toxicology
Intentional: suicide, sexual assault, chemical terrorism
Unintentional: neglect, oversight, exposure, several doses for pain, child ingestion