Psychiatry Flashcards
What is Schizoaffective Disorders?
Symptoms of schizophrenia and a mood disorder
What is Schizophrenia?
positive and negative psychotic symptoms lasting for >6m
What is Schizophreniform Disorder?
symptoms of schizophrena lasting between 1-6months
What are positive symptoms of schizophrenia?
delusions, disorganized speech, hallucinations
what are negative symptoms of schizophrenia?
flattened affect, social withdrawal, anhedonia, apathy, poverty of thought
What is a brief psychotic disorder?
psychotic symptoms present for <1m
What is Delusional Disorder?
person suffers from delusions but minimal to no hallucinations or bizarre behaviour. there is no impairment of baseline functioning.
You suspect a psychotic disorder or some sort. What tests do you need to order/run before you go jumping to dx something psyc?
TSH(hypo/hyperthyroidism), Electrolytes, Ca, HIV serology, VDRL, Drug screen, r/o temporal lobe epilepsy
How do you treat a psychotic break? when do you start long term psyc meds?
- hospitalize if needed
- benzos for agitation & antipsychotics for 6 months
*start long term therapy if there are repeat episodes
Besides treating psychotic disorders what 2 other indications are there for anti-psychotic medications?
- sedation
2. movement disorders(huntingtons, disease and tourettes syndrome)
Side effect profile for Thioridazine
prolonged QT and arrhythmias, abnormal retinal pigmentation
What is Tardive Dyskinesia? tx?
choreoathetosis that occurs over months to years of use with use of antipsychotics(D antag).
Tx: denztropine or Valbenazine
What is Acute Dystonia? timing treatment?
TIMING: first few weeks
SX: muscle spasms, difficulty swallowing
TX: reduce the dose, give anticholinergics(benztropine, diphenhydramine, trihexyphenidyl)
What is Bradykinesia? timing? treatment?
TIMING: weeks
SX: bradykinesia, tremors, rigidity and other signs of parkinsons
TX: reduce the dose, anticholinergics(benztropine, diphenhydramine, trihexyphenidyl)
What is Akathisia? timing? treatment?
TIMING: weeks - chonic use
SX: motor restlessness. *DO NOT MISTAKE FOR ANXIETY
TX: reduce the dose, Benzodiazepines or BB, switch to newer antipsychotic
What is Tardive Dyskinesia? timing? treatment?
TIMING: months - years
SX: choreoathetosis and other involuntary movements after chronic use, often irreversible
TX: Stop older antipsyc, switch to newer drugs, give valbenazine or benztropine *sx often worsen after medication change
What is Neuroleptic Malignant Syndrome? timing? treatment?
TIMING: anytime
SX: muscle rigidity, hyperthermia, volatile vital signs, altered LOC, increased WBC, increased CK
TX: stop drugs, transfer to ICU, dantrolene.
You suspect the patient may have an anxiety disorder. What are some other causes of anxiety you should consider before dx.
Medical: hyperthyroidism, pheochromocytoma, excess cortisol, heart failure, arrhythmias, asthma, COPD
Drugs: corticosteroids, cocaine, amphetamines, and caffeine, withdrawal from alcohol and sedatives.
What is Adjustment Disorder?
anxiety, depression, irritability that occurs soon after profound changes in a persons life. Occurs within 3 months of a stressful event.
What is Panic Disorder? Tx?
brief attacks of intense anxiety with autonomic symptoms( tachycardia, hyperventilation, dizziness and sweating), episodes occur regularly.
TX: CBT, relaxation, desensitization, SSRIs and Benzos
What is Agoraphobia?
fear of avoidance of places due to anxiety about NOT BEING ABLE TO ESCAPE.
What is Social Anxiety Disorder?
Avoidance of objects of situations other than those involved in agoraphobia.
What is Generalized Anxiety Disorder(GAD)? Tx?
Excess anxiety that occurs daily for more than 6 months. no single focus or event. often coexists with other shit(MDD, specific phobia, social phobia, panic disorder).
tx: CBT, SSRI, Benzo, vanlafaxine, buspirone
Order the benzos from shortest to longest half life: lorazepam, diazepam & alprazolam
shortest: Alprazolam(xanax) < Lorazepam(Ativan) < Diazepam(Valium) :longest