פסיכיאטריה Flashcards
Schizophrenia - epidemiology
- Frequency in general population is … [1]
- Peak incidence age in men… [2], while in women is…[3]
- Only…[4] present after the age of…[5]
- People born in… [6]
- …[7] socioeconomic levels and …[8] areas have higher tendency
- This is explained by two hypotheses…[9][10]
- More frequent in patients with… [11] personality disorder
- 1%
- 15-25
- 25-35
- Late onset is considered after the age of 45
- 3-10%
- 40
- Rarely presents before the age 10 and after the age 60
- Winter or early spring
- Lower
- Urbanic
- Downward drift hypothesis
- Social causation hypothesis
- Schizotypal
Schizophrenia - biological factors
- Dopamine theory
- Serotonin theory
- Loss of…[3] in the hippocampus
- Related to increase in…[4]
- Decreased concentration of…[5] and…[6] receptors in the caudate, hippocampus and the pre-frontal cortex
- The main one is the dopamine theory
- Decreased activity in the mesocortical pathway, leads to positive symptoms
- Increased activity in the mesolimbic pathway, leads to negative symptoms
- The tuberoinfundibular pathway and the nigrostraital pathway are related only in the way of drugs side effects
- Increased serotonin - leads to both negative and positive symptoms
- GABAgeric
- Glutamate
- Nicotinic
- Muscarinic
Schizophrenia - genetic factors
- Risk of…[1] in sick brother
- Risk of… [2] in child of one sick parent
- Risk of… [3] in child of two sick parents
- Risk of…[4] in DZ twin, while there is risk of…[5] in MZ twin
- According to some studies, …[6] over the age…[7], while making the child is also risk factor for the child to develop schizophrenia
- 8%
- 12%
- 40%
- 12%
- 47%
- Father
- 60
Schizophrenia - Bleuler’s areas of life
- Described as the 4A’s
- Affect
- Ambivalence
- Association
- Autism
- Later, alogia, avolition and anhedonia were added
Schizophrenia - Schnider’s symptoms
- Schnider’s described the characteristics of the hallucinations and the delusions of schizophrenic patients
- Delusions of control - stealing, implanting, control of thoughts
- Auditory hallucinations:
- Own thoughts
- Speaking to the patients
- Criticizing the patient’s behavior
- Somatic hallucinations
Schizophrenia - negative symptoms
- Flat affect
- Decreased emotional range
- Cognitive decrease - blocking, low content
- Decrease in function
- Anhedonia
- Apathy
- Decreased energy
- Abulia
- Alogia
It has been shown that males have higher frequency of negative symptoms
Schizophrenia - cognitive symptoms
- Defect in memory, listening and in the ability to preform tasks
- Defective insight
- Defective abstract thinking
- Disorders in concentration, executive function, working memory and episodic memory
- Considered as the most importnat prognostic factor for later immersion in society
- Tends to have lower IQ scores than the general population
Schizophrenia - diagnosis (DSM-5)
- 2 or more of the following, where the one of the first 3 must be present for a significant time of one month:
- Delusions
- Hallucinations
- Disorganized speech
- Disorganized behavior (catatonic)
- Negative symptoms
- Decrease in function for significant time, since the disease onset
- For at least 6 months
- No affective disorder
- If autism is present - hallucinations or delusion must be present
Schizophrenia - paranoid type
- Abrupts in 20-30 - better prognosis
- Mainly delusions (grandiosity and presecution) and hallucinations
- There is lack of the other symptoms
- No negative symptoms
Schizophrenia - disorganized type
- Before the age of 25 - bad prognosis
- Characterized by disinhibition and predominant negative symptoms
- All the 3 need to found: disorganized speech, disorganized behavior, flat affect
Schizophrenia - catatonic type
- At least 3 of the following:
- Catalepsy, including waxy flexibility
- Motor action without goal
- Extreme negativism
- Wired motor activity
- Echopraxia or echolalia
Schizophrenia - residual type
- Patients after schizophrenic abruption that are left only with the negative symptoms
- In this stage there are no characteristics of psychosis
Schizophrenia - undifferentiated type
- Schizophrenic patients that does not fit to any other subtype
Schizophrenia - post-psychotic depression
- Occurs in…[1] of patients
- …[2] will try to suicide, and …[3] will commit suicide
- Criteria …[4]
- 25%
- 50%
- 10-13%
- 3 conditions:
- Criteria for MDD
- Abrupt in the residual phase of schizophrenia
- Isnt on the background of medications or other organic disease
Schizophrenia - violence risk
- Risk factors
- Emergency treatment
- Treatment
- Higher risk, more common in patients that does not undergoing treatment
- The most important risk factor is past violent episode
- Other risk factors: delusion of persecution, neurological deficits
- Acute treatment: restrication and isolation, sedation with lorazepam 1-2 mg/h
- Anti-psychotics
Schizophrenia - substance addiction
- more then…[1] have substance addiction
- …[2] of the patients are smokers
- …[3] are addicted to alcohol
- …[4] consume cannabis
- …[5] consume cocaine
- 50%
- >90%
- Decrease AE’s of anti-psychotics
- Decrease positive symptoms
- Improves functioning
- 30-50%
- 15-25%
- 5-10%
Schizophrenia - physical co-morbidity
- Life-expectancy is…[1] then the general population
- Co-morbidities include…[2-6]
- Other psychiatric co-morbidities include…[7-9]
- Schizophrenia is found to protective against…[10], with the rate of about…[11] less then the general population
- Shorter
- Obesity
- T2DM
- CVD
- COPD
- HIV
- x1.5-2.0 higher than the general population
- Prevasive developmental disorder (PDD)
- Schizoaffective
- MDD
- Rheumatoid arthritis
- 33%
Schizophrenia - prognosis
- …[1] will be re-admitted within 2 years of the first admission
- Within 5-10 years from the first admission only…[2] get prolonged remission
- …[3] get remission
- …[4] have normal lifestyle
- …[5] have intermidate strength symptoms
- …[6] have significant functional damage for the rest of their life
- …[7] of the patients have bad prognosis
- 40-60%
- 10-20%
- 10-60%
- 20-30%
- 20-30%
- 40-60%
- >50%


Schizophrenia - suicide risk
- The…[1] cause of death in schizophrenic patients
- …[2] try to commit suicide, while…[3] succeed
- Patients with…[4] prognosis have higher risk
- The most significant risk factor is…[5], which is experienced by…[6] of the patients in any point during their life
- Additional risk factors include…[7-9]
- Leading
- 50%
- 10-13%
- Good
- Depressive episode
- 80%
- Young age (although it is found in the bad prognosis criteria)
- Substance abuse
- Delusions
Schizophrenia - pharmacologic treatment
- Drugs…[1]
- Injections are given when…[2]
- …[3] will get full remission
- After psychosis, antipsychotic medications decrease the relapse rate from…[4] to…[5]
- Maximal effect within… [6]
- If there is no effect after…[7], …[8]
- Atypicals are the first option - risperidone or olanzapine
- If typicals are given, perphenazine is given
- There is lack of compliance or in acute stage
- 60-70%
- 50-70%
- 15-25%
- 6-8 weeks
- 4 weeks
- Increase the dose or change of clozapine
Schizophrenia - psychosocial treatment
!!!!!!להוסיף מנקודות
- Social skills - improve relations, eye contact, spontanic interactions, understanding of social interactions
- Family treatment
- CBT - found beneficial for supressing delusions and hallucinations
- Psychotherapy
- Rehabilitation
Schizophrenia - adjuvant therapy
- Lithium - decrease psychotic signs
- Anti-epileptics - decrease violent episodes
- Benzodiazepines
Schizophreniform disorder - diagnosis (DSM-5)
- Criteria A (signs), D (rule-out affective disorder) and E of schizophrenia
- Less then 6 monthes, but more then 1 month
- Specificy with or without good prognosis (good prognosis if 2 or more are present)
- Acute onest (psychoitc feats. within 4 weeks of change of behavior or function)
- Confusion in the time of psychosis
- High function before onset
- No flat affect


