Exam 2 Flashcards
Psychosis
Alterations in mental state
Schizophrenia Clinical Picture
Affects 1% of adults
Characterized by psychosis
Develops gradually, presenting at 15 to 25 years
Child-onset and late-onset are more rare
DSM-V Criteria for Schizophrenia
Two or more of the following for a significant portion of time in one month:
Delusions, hallucinations, disorganized speech, gross disorganization or catatonia, negative symptoms (not showing emotions)
Continuous disturbance for at least 6 months
Epidemiology of Schizophrenia
1 in 40,000 children
No difference related to race, social status, culture
More frequently diagnosed among males and in urban areas
Comorbidities of Schizophrenia
Substance abuse disorders
Anxiety, depression, risk for suicide
Physical health or illness
Polydipsia
Etiology of Schizophrenia
Biological factors: Genetics
Neurobiological: dopamine therapy, neurochemical hypotheses
Brain structure abnormalities
Prenatal stressors, psychological stressors, environmental stressors, prognostic considerations
Phases of Schizophrenia
Prodromal: onset, mild changes
Acute: exacerbation of psychotic symptoms
Stabilization: symptoms diminishing, movement toward previous level of functioning
Maintenance or Residual: new baseline is established
Assessment During Prodromal Phase of Schizophrenia
Positive symptoms: present but not actually present
Negative symptoms: absence of something that should be there
Cognitive symptoms: symptoms that impair thinking or memory
Affective symptoms: involve our emotions
Positive Symptoms of Schizophrenia
Alterations in reality testing
Delusions, alterations in speech, concrete thinking (inability to think abstractly)
Alterations in Speech with Schizophrenia
Associative looseness (word salad, jumble of words meaningless to listener)
Clang association (words chosen based on sound)
Neologisms (meaning for the patient only)
Echolalia (pathological repetition of another’s words)
Circumstantiality, tangentiality, cognitive retardation, pressured speech, flight of ideas, symbolic speech
Distortions of Thought with Schizophrenia
Thought blocking: reduction or stoppage of thought; hallucinations may cause this
Thought insertion: belief that someone else has inserted thoughts into their brains
Thought deletion: belief that thoughts have been taken or are missing
Magical thinking: believing that thoughts affect others’ consequences
Paranoia
Alterations in Perception with Schizophrenia
Depersonalization: feeling of being unreal or having lost identity
Derealization: feeling that the environment has changed
Hallucinations
Illusions: misperceptions or misinterpretations of a real experience
Alterations in Behavior with Schizophrenia
Catatonia Motor retardation Motor agitation Stereotyped behaviors Waxy flexibility Echopraxia Negativism Impaired impulse control Gesturing or posturing Boundary impairment
Negative Symptoms with Schizophrenia
Absence of essential human qualities
Anhedonia: lack of pleasure
Avolition: lack of motivation
Asociality: don’t want to interact with anyone
Affective blunting: no affect, no expressions, monotone
Apathy: lack of interest
Alogia: poverty of speech
Cognitive Symptoms of Schizophrenia
Concrete thinking
Impaired memory
Impaired information processing
Impaired executive functioning
Affective Symptoms of Schizophrenia
Assessment for depression is crucial (may herald impending relapse, increases substance abuse, increases suicide risk, further impairs functioning)
Self-Assessment with Schizophrenia
Anosognosia: inability to recognize illness
Assessment Guidelines with Schizophrenia
Any medical problems
Drug/alcohol use disorders
Mental status examination
Cognitive assessment
Assess for hallucinations, delusions, suicide risk
Assess ability to ensure personal safety
Assess prescribed meds
Potential Nursing Diagnoses for Schizophrenia
Positive Symptoms: disturbed sensory perception, risk for self-directed or other-directed violence, impaired verbal communication
Negative Symptoms: social isolation, chronic low self-esteem
Outcomes Identification for Schizophrenia
Phase I-Acute: patient safety and medical stabilization
Phase II-Stabilization: help patient understand illness/treatment, stabilize medications, control/cope with symptoms
Phase III-Maintenance: maintain achievement, prevent relapse, achieve independence, satisfactory quality of life
Planning for Schizophrenia
Phase I-Acute: best strategies to ensure patient safety and provide symptom stabilization
Phase III-Maintenance: provide patient and family education, relapse prevention skills are vital
Implementation during Acute Phase of Schizophrenia
Psychiatric, medical, and neurological evaluation
Psycopharmalogical treatment
Support, psychoeducation, and guidance
Supervision and limit setting in the milieu
Monitor fluid intake
Working with aggression
Interventions for Stabilization and Maintenance Phases of Schizophrenia
Medication administration/adherence
Relationships with trusted care providers
Community-based therapeutic services
Teamwork and safety
Activities and groups
Counseling and communication techniques
Psychobiological Interventions for Schizophrenia
Antipsychotic medications (1st, 2nd, and 3rd generation)
Injectable antipsychotics (short- and long-acting)
First-Generation Antipsychotics
Dopamine antagonists
Target positive symptoms of schizophrenia
Advantage: less expensive
Disadvantages: extrapyramidal side effects (dystonia, akathisia, pseudoparkinsonism), ACh side effects (dry mouth), tardive dyskinesia (repetitive movements), weight gain, sexual dysfunction, endocrine disturbances