NUR 144 - WEEK 3 "MH" - Schizophrenia and Psychosis Flashcards
Schizophrenia
Schizophrenia:
s&s / Clinical presentation
Positive Symptoms:
- Hallucinations
- Delusions
- Disorganized speech
Negative symptoms:
- Alogia
- Anergia
- Anhedonia - disinterest, lack of enjoyment
Cognitive Symptoms:
- Poor concentration
- Slow thinking
- Poor memory
Schizophrenia:
Assessment
Positive symptoms:
- Hallucination
- Delusions
- Disorganized speech
- Thought disorders
Negative Symptoms:
- Loss of motivation
- Anhedonia - disinterest, lack of enjoyment
- Social withdrawal
- Avolition - Difficulty planning, beginning, sustaining activity
Cognitive symptoms:
- Trouble focusing or paying attention
- Difficulty following conversation
- Difficulty learning new things
Schizophrenia:
Etiology / cause / Risk factors
Genetics: several genes
Physiological: neurodevelopment, associated with hypoxia, infections
Biochemical: Chronic exposure to cortisol
Environmental: Cannabis use
Schizophrenia:
Nursing interventions
- Creating safe, therapeutic environment
- Supporting early detection of psychosis
- Providing support to client toward recovery
Schizophrenia:
Diagnostics
DSM-5
Schizophrenia is diagnosed when two or more of the following characteristics are present for a significant portion of time:
- delusions
- hallucinations
- Disorganized speech
- Disorganized or catatonic behavior
- Negative symptoms = reduced motivation,
Schizophrenia:
Treatment
No cure, treatment focuses on managing symptoms
- Cognitive behavioral therapy
- Family education & support
Psychosis:
What is it?
Cause?
Loss of contact with reality
Cause:
- Mental illness
- Sleep deprivation
- Medical condition (ex: hyperglycemia, hyperthyroidism)
- Side effects of meds
- Alcohol / drugs
Psychosis:
s&s / Manifestations
Delusion: False perception, unchanged by logic
Hallucination: Altered sensory perception (auditory, visual, touch)
Psychosis:
Treatment
- Antipsychotic meds
- Psychotherapy
- Cognitive Behavioral therapy
Clozapine
Side effect:
- Agranulocytosis, potentially life threatening
Neuroleptic Malignant Syndrome:
What is it?
Cause?
Clinical Manifestations
What is it:
- Potentially life threatening reaction to antipsychotic drugs
Cause:
- Initial exposure or abrupt discontinuation of antipsychotic medication
Clinical manifestations:
- Muscle rigidity
- Hyperthermia
- Vital sign instability
- Elevated creatine kinase
Neuroleptic Malignant Syndrome:
Nursing Interventions
- Discontinue antipsychotic medication
- Monitor fluid and electrolytes
- Initiate cooling measures
- Cardiac monitor
Extrapyramidal symptoms:
What is it
Cause
Clinical Manifestations
What is it:
- A set of manifestations caused by blocking dopamine in the midbrain to the brainstem
Clinical manifestations:
Acute Dystonia: Muscle rigidity or spasms caused by use of antipsychotics
Akathisia: Feelings of severe restlessness not relieved by movement caused by the use of antipsychotics
Pseudo-parkinsonism: Mimic Parkinson’s
Extrapyramidal symptoms:
Management
Nursing interventions
- Symptoms relieved by administration of anticholinergic drugs (benztropine, diphenhydramine)
- Monitoring if EPS do not resolve after antipsychotic medication
What are command hallucinations?
Person having auditory hallucinations, and the voices are telling them to do something
- Needs to be addressed immediately, especially if commanding something dangerous to themselves or others