Psych Flashcards
What are concrete concepts?
Real objects or situations (e.g. tremor)
Real objects or situations
What are concrete concepts?
What are defined concepts?
Classes of concepts (e.g. delusions)
What are concept systems?
Sets of related concepts (e.g. schizophrenia)
What is an illusion?
A wrong or misinterpreted perception of a real stimulus
What is a hallucination?
Disorder of perception
An experience involving the apparent perception of something not present.
What are hypnagogic hallucinations?
Vivid and frightening episodes/sensory phenomena whilst falling asleep.
What are hypnopompic hallucinations?
Unusual sensory phenomena experienced just before or during awakening.
What are extracampine hallucinations
Hallucinations outside the realms of what is feasible.
What are pseudo hallucinations?
An involuntary sensory experience vivid enough to be regarded as a hallucination but considered by the person as subjective and not real.
What is an overvalued idea?
An preoccupying idea to the extent of dominating the sufferers life
May be swayed by reason
Name 3 features is a delusion?
Firmly held belief
Not affected by rational argument or evidence
Not a conventional belief
Persecutory delusion
Believes other people are out to get them.
Grandiose delusion
Person believes they are indestructible/inflated self-importance
Self-referential delusion
Incidental information that the patient uses in reference to themselves.
Nihilistic (Cotard’s) delusion
Patient believes they are dead.
Capgras delusion
Misidentification
Believes a someone they recognise has been replaced by an imposter
Fregoli delusion
A delusional belief that different people are a single individual who changes appearance or is in disguise.
Subjective doubles
A person believes they have a Doppelganger with the same appearance, usually with different character traits.
Delusional perception
Delusion from a real stimulus - believing a percept has a special meaning for him or her.
Hypochondriacal delusion
Firm belief they have a disease
What are 2nd person auditory hallucinations?
A person talking to them
What are 3rd person auditory hallucinations?
A person talking about them
What are Charles Bonnet hallucinations
Visual hallucinations associated with eye disease
What is a delusion?
Disorder of thought
What is a delusional perception?
Delusional belief resulting from a real stimulus.
Will be completely unrelated.
What is psychosis?
Severe mental disorder in which thoughts and emotions are impaired
Lost connection with external reality
May involve delusions and hallucinations
What is neurosis?
Mild mental illness caused by organic disease
No radical loss of touch with reality
What symptoms of stress are seen with neurosis?
Depression
Anxiety
Obsessive behaviour
Hypochondria
What is passivity phenomena?
Disorder of thought and perception
Feeling that one’s actions/thoughts are controlled by someone else
What is somatic passivity?
Passive recipient of bodily sensations by external force
What is catatonia?
Significantly excited/inhibited motor activity
Waxy flexibility and posturing
When is ECT indicated?
Treatment resistant severe depression
Manic episodes
An episode of moderate depression know to respond to ECT in the past
Life threatening catatonia
What may be seen with catatonia?
Repetitive or purposeless overactivity, or catalepsy, resistance to passive movement, and negativism
What is stupor?
Loss of activity with no response to stimuli
May mock progression of motor retardation
What is psychomotor retardation?
Slowing of thoughts and movements.
Name 5 types of thought alienation.
Thought insertion Thought withdrawal Thought broadcast Thought echo Thought block
What is a thought disorder?
Disordered thinking
Thoughts and conversations appear lacking in sequence and illogical
May de delusional contents
What is loosening of association?
Lack of logical association between thoughts giving rise in incoherent speech
What is circumstantiality?
Non-linear thought pattern
Rambling and convoluted speech but often reaches the point
What is perseveration?
Repetition of particular response in absence or cessation of stimulus
What is confabulation?
Gives false account to fill gaps in memory
Without conscious intent to deceive
What is tangeality?
Tendency to talk about things unrelated to the topic
What is flight of ideas?
Rapidly skipping from one thought to another, often with tentative relation
What is echolalia?
Meaningless repetition of another person’s spoken words
What are clang associations?
Ideas linked by rhyme or similarity of words
What is neologism?
New word formation.
What is somatisation disorder?
Present for >2 years
Psychological distress manifesting as many unexplained physical symptoms
Refused to accept reassurance/test results
What is hypochondrial disorder?
Persistent belief of underlying physical illness
Refusal to accept reassurance/test results
What is conversion disorder?
Loss of motor or sensory function
May be indifferent (la belle indifference)
What is clouding of consciousness?
Subjective sensation of mental clouding - feeling ‘foggy’
What is anhedonia?
Inability to experience pleasure from activities usually found enjoyable.
What is incongruity of affect?
Emotional responses not mirroring situation or discussion topic
What is depersonalisation?
Feeling detached from the body
What is dissociation?
Disruptions in aspects of consciousness, identity, memory,
What is tardive dyskinesia?
Involuntary repetitive jerky movements of the head and neck
What may be seen with tardive dyskinesia?
Grimacing, lip smacking, tongue protrusion.
What causes tardive dyskinesia?
Long term antipsychotic use.
What is dissociative disorder?
Progress of separative of certain memories from normal consciousness
What are the symptoms of dissociative disorder?
Amnesia, fugue (loss of awareness of one’s identity), stupor
What is stupor?
State of near-unconsciousness or insensibility.
What is Munchausen’s syndrome?
Factitious disorder
Intentional production of physical or psychological symptoms
What is malingering?
Fraudulent stimulation or exaggeration of symptoms with the intention of financial or other gain
Where does the dopamine pathway start?
Substantia nigra
Where does the serotonin pathway start?
Raphe nuclei
What are the functions of the serotonin pathway? (4)
Mood
Memory
Sleep
Cognition
What is the function of the dopamine pathway? (5)
Reward (motivation) Pleasure, euphoria Motor function (fine tuning) Compulsion Perseveration
What causes schizophrenia?
Excess dopamine production
What symptoms does mesolimbic produce?
Positive
What symptoms does mesocortical produce?
Negative
Following antipsychotic treatment, what pathway can cause excess prolactin?
Tuberoinfundibular
What pathway is responsible for EPSE?
Nigrostriatal
What is a acute reaction to antipsychotic therapy?
Acute dystonic reaction
What symptoms may be seen hours after starting antipsychotics?
Muscle spasm
Acute torticollis (wry neck)
Ocular gyrate crisis
What may be seen 4 weeks after starting antipsychotics?
Parkinsonism
Bradykinesia
Rigidity
Tremor
When does akathisia occur?
6-60 days following starting antipsychotics`
What is akathisia?
Movement disorder - restlessness and inability to stay still.
When does tardive dyskinesia occur?
Long term usage of antipsychotics (months-years)
What is the treatment for acute dystonia/parkinsonism?
Procyclidine
What can be used to treat akathisia?
Propranolol
+/- cyproheptadine
What is the treatment for tardive dyskinesia?
Tetrabenazine
Name 2 first generation antipsychotics.
Haloperidol
Chlorpromazine
Name 4 2nd generation antipsychotics.
Olanzapine
Risperidone
Quetiapine
Aripiprazole
What receptors do newer/atypical antipsychotics act on?
D2 and 5-HT2a
What SE are seen with atypical antipsychotics?
EPSE
Hyperprolactinemia
Weight gain
What symptoms are seen due to hyperprolactinemia?
Galactorrhoea - lactation
Amenorrhoea/infertility
Sexual dysfunction - arousal, libido, ED, anorgasmia
What are the side effects of olanzipine?
Hyperprolactinemia Weight gain Diabetes CV disease EPSE
What second generation antipsychotic has the least side effects?
Aripiprazole
What are the side effects of clozapine?
Agranulocytosis
Reduced seizure threshold
Myocarditis
Constipation
What causes neuroleptic malignant syndrome?
Antipsychotic medication (or withdrawal from dopaminergic medication e.g. levodopa)
When does NMS usually occur?
Insidious onset within the first 4-11 days of treatment
What are the symptoms of NMS?
Lead pipe rigidity Dysphagia/dyspnoea Hyporeflexia Normal pupils Autonomic dysfunction (hyperthermia, sweating, tachycardia, unstable BP)
What may be seen in blood results of NMS and SS?
Elevated creatinine kinase
WCC
Deranged LFTs
Metabolic acidosis
What is the treatment for NMS?
Bromocriptine
Dantrolene
What causes serotonin syndrome?
SSRIs
MAOIs
Ecstacy
What are the symptoms of SS?
Increased activity Clonus/myoclonus Hyperreflexia Tremor Muscle rigidity (less severe than NMS) Dilated pupils Autonomic dysfunction (tachycardia, unstable BP)
When does SS occur?
Within 1-2 doses of SSRI
Normally combination of SSRI and MAOI
What is used to to treat SS?
Cyproheptadine
Benzodiazepines
What is cyproheptadine?
5HT-2a antagonist
What is dependance?
Physiological, behavioural and cognitive phenomena
Substance takes higher priority than other behaviours that once had greater value
How many ICD-10 features are needed to diagnose dependance?
3
What are the ICD-10 features of alcohol dependance. (5)
Compulsion Tolerance Difficulty controlling consumption Physiological withdrawal Neglect of alternatives to drinking Persistent use despite harm
What 4 classes of substances are often misused?
Stimulants
Depressants
Hallucinogens
Opiates
Risk factors for substance misuse.
Males Low education Unemployment Younger age of usage Mental illness Peer pressure Low self esteem High stress FHx Genetic suseptibility
What CAGE score indicated problem drinking?
2
What is the AUDIT questionnaire?
Alcohol use disorder identification test
10 item questionnaire
What does AUDIT assess?
Alcohol consumption
Drinking behaviours
Alcohol-related problems
What AUDIT score indicates hazardous drinking?
8 - 15
What AUDIT score indicates harmful drinking?
16 - 19
What AUDIT score indicates high risk or dependant drinking?
> 20
High risk - dependance score <4
Dependant - dependance score >4
What alcohol score is used in A+E?
FAST
Score of 3 or more for first 4 questions is positive.
What is TWEAK?
Screening tool for alcohol abuse, max score of 7.
What does TWEAK stand for?
Tolerance - >6 drinks = 2 Worried/complained = 2 Eye-opener = 1 Amnesia = 1 Cut down = 1
What advice should be given to patients about alcohol?
Max 14 units per week
What is classified as hazardous drinking?
10-35 - women
10-50 - men
How many units per week is classified as harmful drinking?
35 - women
50 - men
What should be asked in an alcohol history?
Whether the patient believes they have a problem Intake Current drinking pattern Cost Dependency and tolerance symptoms Withdrawal signs Effect on ADLs
What physical complications can alcoholism cause?
Liver damage Pancreatitis Cancer GI ulcers/varices/malnutrition/reflux CNS disturbance
What social complications can alcoholism cause?
Crime
Violence
Relationship/occupation problems
What psychological complications can alcoholism cause?
Anxiety, depression, personality disorder, risk of suicide
What chronic signs of alcohol abuse may be seen on examination?
Clubbing Hepatomegaly Palmar erythema Asterixis Spider naevi Gynaecomastia Dupuytren's contracture
What acute signs of alcohol abuse may be seen on examination?
Vomiting/nausea Ataxia Mood changes/agitation Sweating Unsteady gait
What anaemia is seen in those who abuse alcohol?
Macrocytic
Raised MCV due to vitamin B12 and folate deficiency
What may be seen on FBC of a person who abuses alcohol?
Thrombocytopenia
What liver enzymes are looked at for alcohol abuse?
ALT
AST
GGT (gamma-glutamyl transferase)
What is used to reduce alcohol cravings?
Acomprosate