Mental health Flashcards
What are signs of opioid dependency? What are risk factors?
Drug seeking behaviour, prev excess use, withdrawal symptoms. RF: mental illness, negative life events, unemployment, social isolation, poverty, substance use in peers.
What are the diagnostic criteria of depression?
Low mood or anhedonia + 4 of: weight loss/gain, insomnia/hypersomnia, fatigue, inability to concentrate, feelings of worthlessness/guilt, thoughts of death, psychomotor agitation or retardation.
How are antidepressants started and monitored? How are they stopped?
Review at 2-4 weeks, check lifestyle and increase if needed. If no response, switch. Continue 6-12mo. Wean 25-50% every 1-4 weeks, down to half tab for 2 weeks. Slow wean SNRI, anxiety, or long treatment.
What are common side effects of SSRIs, SNRIs and TCAs?
Sexual difficulty, sedation/fatigue, anticholinergic esp TCA (tremor, dry mouth), GI symptoms, weight gain esp TCA.
What are the 5 diagnostic features of PTSD? Timing?
Exposure to death/injury or sexual violence; event persistently re-experienced (nightmares, flashbacks, intrusions); avoidance of thoughts/people/places related; negative changes to mood and cognition; hyperarousal (poor sleep, irritable, reckless). For >1mo, otherwise acute stress disorder.
How is PTSD treated?
Trauma focussed CBT (support, debrief). Eye movement desensitisation and reprocessing. Emotional regulation skills. Sleep hygiene. SSRIs maybe as adjunct.
What are the differentials in someone with psychotic symptoms?
Mania, postpartum psychosis, psychotic depression, personality disorder. Brain lesion, HIV, neurosyphilis, heavy metal toxicity, hyperthryoid, electrolyte abnormality, lupus, withdrawal/intoxication.
What are the diagnostic criteria for diagnosis of schizophrenia?
At least 2 with psychosis over 1mo: delusions, hallucinations, disorganised speech, grossly disorganised or catatonic behaviour, negative symptoms , with continuous symptoms for 6mo and functional decline.
What are 4 differentials of schizophrenia - features/criteria.
Brief psychotic disorder < 1mo. Schizoaffective disorder - separate mood disorder + 2 weeks of psychotic symptoms. Schizophreniform disorder: psychosis >1mo but overall symptoms < 6mo. Substance induced psychotic disorder - psychosis after substance use.
What are 5 types of side effects of antipsychotics?
EPSE - akathisia (restlessness) esp haloperidol; parksinonism; tardive dyskinesia (repetitive choreiform movements); metabolic SE esp olanzapine/quetiapine/risperidone; prolactinaemia (eridones)
What are the features of neuroleptic malignant syndrome?
Related to antipsychotics, develops over days. EPSE, temp dysregulation, confusion, hypertension, hyporeflexia, leadpipe rigidity. Treat w bromocriptine.
What regular monitor is required for patients on antipsychotics?
CVD risk 3mo (1mo first), BP + HbA1c + lipids + weight/waist 6mo, ECG + FBE + prolactin annually. Check for EPSE and sexual dysfunction.
What monitoring is done regularly for a patient on lithium? What meds can interact?
Levels 8-12h post dose and renal fx 3-6mo. TFT, ca + weight annual. Meds: ACEI , NSAIDs, thiazides.
What are the symptoms of acute lithium toxicity? What tests to do and what levels concerning?
GI (N/V/D), CNS tremor, hyperreflexia, seizure; CV: QT prolongation, hypotension. Check ECG, UEC + Li. Li level not always correlate, but monitor - 2.5-3.5 rigid, drowsy, >3.5 is severe.
What are the risk factors for chronic lithium poisoning? What complication can occur? How is it managed?
Age >50, dehydration, renal impairment, thyroid dysfunction, drugs (ACE, NSAID, Thiazide). Can cause nephrogenic diabetic insipidus - thirst, urine, high sodium. Maintain hydration, may need haemodialysis.