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Emergency Psychiatry


        Wayne Nguyen, MD
           Matt Levin, MD
    Director of Psychiatry, CHOC
Aggression

 Verbal Aggression
 Physical Aggression
 Aggression against objects
Neurochemistry of
Impulsive Aggression

                   Androgens
 Serotonin


                         Vasopressin



 GABA                  Nitric Oxide
 Norepinephrine
 Dopamine
Neurochemistry of
Impulsive Aggression

                          Androgens
 Serotonin


             Impulsive-       Vasopressin
             Aggression

 GABA                       Nitric Oxide
 Norepinephrine
 Dopamine
Contributing Factors
Contributing Factors

              Neurological
              Disorders      Psychiatric
                             Disorders
 Genes
               Impulsive-       Medical
 Gender        Aggression       Disorders


Environment                   Substance
                  Toxins      Abuse
Case

 13 year-old autistic male here for
 surgical repair of pectus, now yelling,
 throwing things at nurses
Initial Approach To The
Agitated/Assaultive Patient
Call security
Assess Environment, Physical demeanor
Take verbal threats seriously
Remain several feet away
Know where the patient is at all times
Clear the area of other patients
Remain calm, maintain confident and
competent demeanor
Avoid arguing with staff in front of patient
Restraints
Non-Pharmacologic
  Interventions




Jaacap, Agitation Treatment for Pediatrics
CHEMICAL RESTRAINT

 Involuntary use of psychoactive
 medication in a crisis situation to help
 a patient contain out-of-control
 aggressive behavior
 Necessary for safety of patient and
 staff when other methods of calming
 are inappropriate or not successful
 Parental consent not required due to
 emergent circumstances
 IM/IV/PO                           8
Symptom Focused Treatment
With Medication
 Treatment provided with the consent
 of the patient’s legal guardian and the
 age-appropriate assent of the child
 Usually PO




                                   9
Characteristics of Ideal Medication
Used for Acute Aggression
 Rapid onset
 Medium-long duration
 Multiple formulations
 Low interaction with other
 medications
 Low adverse reactions
 Broad anti-aggressive property
Pharmacological Treatments
 Lorazepam - non-specific treatment
   IM/PO/IV
   0.5-2mg
   1-6 hours as needed
 Antipsychotics
   Haldol 1-5mg IM - akithisia, dystonia
   Olanzapine, Geodon, Abilify IM
   Risperidone 1-2mg PO, ODT
      M-Tab 0.5, 1, 2, 3, 4 mg doses
   Olanzapine 10-20mg PO, ODT
      Zydis 5, 10, 15, 20 mg doses
Medication Half-Lives
If already taking psych meds:
Specific symptoms treatment
General Agitation
Suggested dose ranges
Side Effects:
Benzodiazepines
 Disinhibition
 Sedation
 Respiratory Suppression (Olanzapine
 Confusion
 Ataxia




                               17
Potential Short-Term Side-
Effects: Antipsychotics
 Dystonic Reaction




 Treat with Benadryl 25-50 mg IM
                                   18
Potential Short-Term Side-
Effects: Antipsychotics
 Tardive Dyskinesia




                             19
Potential Short-Term Side-
Effects: Antipsychotics
 Leukopenia
 Avoid if ANC < 1000
 Close monitoring in
 immunosuppressed patients




                             20
Neuroleptic Malignant Syndrome
             (NMS)
  Idiosyncratic response to anti-
  psychotics
  Have been reported with all types of
  antipsychotics, including atypicals
  Prevalence - 0.07-0.2%
  5-30% mortality
  Can occur within hours of the first
  dose but usually 4-14 days
  Caused possibly by decreased
  dopamine
Clinical Features

 Muscle rigidity
 Hyperpyrexia (>38)
 Altered Mental status - obtundation
 Autonomic instability - tachycardia,
 hyper/hypo tension
 Profuse diaphoresis
 Tremor
 Incontinence
Differential Diagnosis

 Delirium Tremens
 Encephalitis
 Meningitis
 Heat exhaustion/stroke
 Rhabdomyolysis
 Septic Shock
 Hemorrhagic Stroke
 Toxidromes
Other conditions

 Dystonic reaction
 Serotonin syndrome
Laboratory Studies

 CBC - leukocytosis
 CPK - elevated
 LFT’s - elevated
 Creatinine/BUN
 Serum and urine toxicology
 Consider CT, LP if indicated
Treatment

 Stop antipsychotic
 Consider other medical causes
 Supportive care, IV hydration
 Benzodiazepines (Ativan)
 Dopamine agonists - Bromocriptine,
 Levodopa
 Muscular skeletal relaxant -
 Dantrolene
Case Example

 16 year-old oncology patient recently
 discharged from OICU after 4 month
 stay now in clinic with psychosis,
 agitation after being home for less
 than a week. No personal or family
 history of psychotic disorder.
Alcohol/Benzo Withdrawal

 Can occur 12-24 hours after last drink
   Tremor (“shakes”)
   Tachycardia, diaphoresis, anorexia,
   insomnia
 Generalized seizures after 1-3 days
 Delirium tremens after 3-5 days
   Fever, disorientation, visual
   hallucinations, autonomic instability,
   agitation
   Need to be monitored in ICU setting
Treatment

 Thiamine to prevent Wernicke
 Encephalopathy (confusion, ataxia,
 ophthalmoplegia)
 IV hydration
 Electrolytes replacement
 Benzodiazepines
   Librium (25-50 mg PO PRN)
   Lorazepam (1-2 mg PO PRN)
Delirium
  Disturbance of consciousness (i.e.,
  reduced clarity of awareness of the
  environment)
  Reduced ability to focus, sustain, or shift
  attention.
  A change in cognition (such as memory
  deficit, disorientation, language
  disturbance)
  Development of a perceptual disturbance
  The disturbance develops over a short
  period of time (usually hours to days) and
  tends to fluctuate during the course of the
  day.
Treatment
 Treatment of the underlying cause
 Assessment of clinical status-harm to self
 or others
 Environmental manipulation (Calendar,
 Newspaper, Blinds opened/closed
 appropriately)
 Restraints
 Pharmacological
   Antipsychotics
      Haldol 0.5 – 5 mg po q6 prn (PO/IV/IM)
      Risperidone 0.5 – 2.0 mg po q6 prn (PO/SL)
   Benzodiazepines – not recommended
Treatment of Agitated Patient


 Treat any underlying medical
 pathology
 Non-Pharmacological Interventions
 Symptom Focused Treatment
 Chemical Restraint



                                33

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Er psych 2 10

  • 1. Emergency Psychiatry Wayne Nguyen, MD Matt Levin, MD Director of Psychiatry, CHOC
  • 2. Aggression Verbal Aggression Physical Aggression Aggression against objects
  • 3. Neurochemistry of Impulsive Aggression Androgens Serotonin Vasopressin GABA Nitric Oxide Norepinephrine Dopamine
  • 4. Neurochemistry of Impulsive Aggression Androgens Serotonin Impulsive- Vasopressin Aggression GABA Nitric Oxide Norepinephrine Dopamine
  • 6. Contributing Factors Neurological Disorders Psychiatric Disorders Genes Impulsive- Medical Gender Aggression Disorders Environment Substance Toxins Abuse
  • 7. Case 13 year-old autistic male here for surgical repair of pectus, now yelling, throwing things at nurses
  • 8. Initial Approach To The Agitated/Assaultive Patient Call security Assess Environment, Physical demeanor Take verbal threats seriously Remain several feet away Know where the patient is at all times Clear the area of other patients Remain calm, maintain confident and competent demeanor Avoid arguing with staff in front of patient Restraints
  • 9. Non-Pharmacologic Interventions Jaacap, Agitation Treatment for Pediatrics
  • 10. CHEMICAL RESTRAINT Involuntary use of psychoactive medication in a crisis situation to help a patient contain out-of-control aggressive behavior Necessary for safety of patient and staff when other methods of calming are inappropriate or not successful Parental consent not required due to emergent circumstances IM/IV/PO 8
  • 11. Symptom Focused Treatment With Medication Treatment provided with the consent of the patient’s legal guardian and the age-appropriate assent of the child Usually PO 9
  • 12. Characteristics of Ideal Medication Used for Acute Aggression Rapid onset Medium-long duration Multiple formulations Low interaction with other medications Low adverse reactions Broad anti-aggressive property
  • 13. Pharmacological Treatments Lorazepam - non-specific treatment IM/PO/IV 0.5-2mg 1-6 hours as needed Antipsychotics Haldol 1-5mg IM - akithisia, dystonia Olanzapine, Geodon, Abilify IM Risperidone 1-2mg PO, ODT M-Tab 0.5, 1, 2, 3, 4 mg doses Olanzapine 10-20mg PO, ODT Zydis 5, 10, 15, 20 mg doses
  • 15. If already taking psych meds:
  • 19. Side Effects: Benzodiazepines Disinhibition Sedation Respiratory Suppression (Olanzapine Confusion Ataxia 17
  • 20. Potential Short-Term Side- Effects: Antipsychotics Dystonic Reaction Treat with Benadryl 25-50 mg IM 18
  • 21. Potential Short-Term Side- Effects: Antipsychotics Tardive Dyskinesia 19
  • 22. Potential Short-Term Side- Effects: Antipsychotics Leukopenia Avoid if ANC < 1000 Close monitoring in immunosuppressed patients 20
  • 23. Neuroleptic Malignant Syndrome (NMS) Idiosyncratic response to anti- psychotics Have been reported with all types of antipsychotics, including atypicals Prevalence - 0.07-0.2% 5-30% mortality Can occur within hours of the first dose but usually 4-14 days Caused possibly by decreased dopamine
  • 24. Clinical Features Muscle rigidity Hyperpyrexia (>38) Altered Mental status - obtundation Autonomic instability - tachycardia, hyper/hypo tension Profuse diaphoresis Tremor Incontinence
  • 25. Differential Diagnosis Delirium Tremens Encephalitis Meningitis Heat exhaustion/stroke Rhabdomyolysis Septic Shock Hemorrhagic Stroke Toxidromes
  • 26. Other conditions Dystonic reaction Serotonin syndrome
  • 27. Laboratory Studies CBC - leukocytosis CPK - elevated LFT’s - elevated Creatinine/BUN Serum and urine toxicology Consider CT, LP if indicated
  • 28. Treatment Stop antipsychotic Consider other medical causes Supportive care, IV hydration Benzodiazepines (Ativan) Dopamine agonists - Bromocriptine, Levodopa Muscular skeletal relaxant - Dantrolene
  • 29.
  • 30. Case Example 16 year-old oncology patient recently discharged from OICU after 4 month stay now in clinic with psychosis, agitation after being home for less than a week. No personal or family history of psychotic disorder.
  • 31. Alcohol/Benzo Withdrawal Can occur 12-24 hours after last drink Tremor (“shakes”) Tachycardia, diaphoresis, anorexia, insomnia Generalized seizures after 1-3 days Delirium tremens after 3-5 days Fever, disorientation, visual hallucinations, autonomic instability, agitation Need to be monitored in ICU setting
  • 32. Treatment Thiamine to prevent Wernicke Encephalopathy (confusion, ataxia, ophthalmoplegia) IV hydration Electrolytes replacement Benzodiazepines Librium (25-50 mg PO PRN) Lorazepam (1-2 mg PO PRN)
  • 33. Delirium Disturbance of consciousness (i.e., reduced clarity of awareness of the environment) Reduced ability to focus, sustain, or shift attention. A change in cognition (such as memory deficit, disorientation, language disturbance) Development of a perceptual disturbance The disturbance develops over a short period of time (usually hours to days) and tends to fluctuate during the course of the day.
  • 34. Treatment Treatment of the underlying cause Assessment of clinical status-harm to self or others Environmental manipulation (Calendar, Newspaper, Blinds opened/closed appropriately) Restraints Pharmacological Antipsychotics Haldol 0.5 – 5 mg po q6 prn (PO/IV/IM) Risperidone 0.5 – 2.0 mg po q6 prn (PO/SL) Benzodiazepines – not recommended
  • 35. Treatment of Agitated Patient Treat any underlying medical pathology Non-Pharmacological Interventions Symptom Focused Treatment Chemical Restraint 33

Notas do Editor

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  4. Intoxication, withdrawals from substances\nPsychiatric disorders\nPersonality disorders\nEnvironmental factors\nMedical disorders\n
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