Psychotic Disorders in Emergency Departments

Christopher Lentz Contents

  • 11.1 Introduction..................................................................................................................178
  • 11.2 Psychosis Defined..........................................................................................................179
  • 11.3 Auditory Hallucinations................................................................................................179
  • 11.4 Visual and Auditory Hallucinations and Illicit Substance Comorbidity........................180
  • 11.5 Tactile Hallucinations...................................................................................................181
  • 11.6 Delusions......................................................................................................................181
  • 11.7 Thought Disorganization..............................................................................................183
  • 11.8 Disorganized Behaviors.................................................................................................185
  • 11.9 Catatonia.......................................................................................................................186
  • 11.10 Diagnostic Categories of Psychotic Disorders................................................................187
  • 11.10.1 Delusional Disorder.........................................................................................187
  • 11.10.2 Brief Psychotic Disorder..................................................................................188
  • 11.10.3 Schizophreniform Disorder..............................................................................188
  • 11.10.4 Schizophrenia..................................................................................................188
  • 11.10.5 Schizoaffective Disorder...................................................................................189
  • 11.10.6 Depressive Disorder with Psychosis..................................................................189
  • 11.10.7 Bipolar Disorder with Psychosis.......................................................................189
  • 11.10.8 Cannabis-Induced Psychosis............................................................................190
  • 11.11 Medical Mimicry of Psychosis: A Case of Anti-N-Methyl-D-Aspartate Receptor

Encephalitis..........................................................................................................190

  • 11.12 Paranoia as a Survival Mechanism.................................................................................191
  • 11.13 Treatment Options for Psychosis in the Emergency Department...................................192
  • 11.13.1 Antipsychotic Medications...............................................................................193
  • 11.13.1.1 Risperidone.....................................................................................193
  • 11.13.1.2 Olanzapine .....................................................................................193
  • 11.13.1.3 Haloperidol ....................................................................................194
  • 11.13.1.4 Ziprasidone.....................................................................................194
  • 11.13.1.5 Aripiprazole....................................................................................194
  • 11.13.1.6 Quetiapine......................................................................................194
  • 11.13.1.7 Clozapine........................................................................................194
  • 11.13.2 Antipsychotic Medication Side Effects.............................................................195
  • 11.14 Conclusion....................................................................................................................195
  • 11.15 Key ED Survival Points for Psychosis............................................................................196

References................................................................................................................................196

Resources.................................................................................................................................198

 
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