Psych Flashcards
Admissin for suicide if
Plan+ Intention to act on the plan Access to lethal means Recent social stressors Symptoms of a psychiatric disorder
SGA in refractory schizo
Clozapine
Route of antipsychotic administration in severe cases of schizo
IM q 2-4 wk
If schizo with aggression/impulsiveness
Mood stabilizer (Li, valp, carba)
Duration of treatment of schizo
At least 1-2 y after the 1st episode
At least 5 y after multiple episodes
If schizo with anxiety
Add anxiolytics
Schizophreniform
Symptoms for 1-6 mo
Schizoaffective Tx
Antipsychotics
Mood stabilizers
(Antidepressants)
Not to be prescribed in acute psychosis and mania
Antidepressants
Stimulants
Delusional disorder Tx
Psychotherapy
Antipsychotics
Antidepressants
W/U for mood disorders
CBC, TFT, extended lytes, U/A, drug screen
PEx, DHx
+/- CXR, ECG, CT head, neuro consult
Duration of criterion A for schizo
1 mo
Duration of pure psychosis in schizoaffective
2 wk
Duration of criterion A for MDE
2 wk
Duration of criterion A for manic episode
1 wk
Duration of delusion for delusional disorder
1 mo
Disorganized speech in schyzo
Derailment
Incoherence
Speech in mania
Flight if idea
Subjective: thoughts are racing
Hypomanic episode
Change in function is present, but no marked impairment in function
No psychosis
Clinical importance of mixed features in bipolar or depression
Increased risk of suicide
If found in pts with MDD, high index of suspicion for bipolar disorder
Symptom-free interval between depressed episodes for Dx of recurrent depression
2 mo
Parent loss before this age is a RF for depression
11 y/o
Supplement for depression
Zinc
1st line in depression Tx
Sertraline
Escitalopram
Venlafaxin
Mirtazapine
Typical response to anti-depressants
Physical symptoms in 2 wk
Mood/cognition by 4 wk
No/partial response to anti-depressants after 3-4 wk
Optimize dose
No response to dose optimization after 4-8 wk
Switch
Partial response after dose optimization of anti-depressant
Combine or augment
Fastest and most effective treatment for MDD
ECT
Persistent depressive disorder
2 y or more in adults
1 y or more in children/adolescence
St. John’s Wort
Tx of MDD
Postpartum blues
Begins 2-4 d postpartum
Lasts 48 h (up to 10 d)
No Tx
Prevalence 50-80%
MDD with peripartum onset
Prevalence 10% Onset during pregnancy or within 4 wk following delivery Lasts 2-6 mo Residual symptoms can last up to 1 y \+/- psychosis \+/- mania
Tx of peripartum MDD
CBT, IPT
SSRI
ECT
Risk of suicide in bipolar
Greatest when switching from mania to depression
1st line in treating BPII depression
Quetiapine
Treating mania
Li Valp Carba (2nd line) SGA ECT Benzodiazepines ( if acute agitation)
Preventing mania
Li
Valp
Carba
SGA
(Lower dosages)
Treating depression of BP
Li Lurasidone Lamotr Quetiapine Antidepressant(plus mood stabilizer) ECT
Preventing depression in BP
Li Lurasidone Quetiapine Lamotrigine Aripiprazole Valp
Mixed episode,
Rapid cycling
Tx
Li/valp
+SGA (lurasidone, aripiprazole, olanzapune)
Rapid cycling BP
4+ mood episodes in 1 y
Cyclothymia
Numerous episodes of hypomanic/depressive symptoms for 2 y or more.
Not meeting full hypomania or MDE criteria
Tx of cyclothymia
Mood stabilizer +/- psychotherapy
Proven effect in preventing suicide in BP
Li
Vitamin deficiency mimicking anxiety
B12
Routine screening for anxiety
CBC, TFT, lytes, U/A, urine drug screen
+/- ECG, CXR, CT head, neuro consult
Duration of anxiety about panic attack
1 mo or more
Panic disorder Tx
CBT
SSRI/SNRI ( start low, go slow, aim high)
Duration of Tx for panic disorder
12 wk to see full response
Treat for up to 1 y after symptoms resolve
Drugs to avoid in panic disorder
Bupropion
TCA
Duration for agoraphobia Dx
6 mo or more
Duration for GAD Dx
6 mo or more
Lifestyle changes for GAD
Caffeine avoidance
EtOH avoidance
Sleep hygiene
Lifestyle changes for BP
Psychoeducation
Regular check ins
Emergency plan
Stable routine (sleep, meal, exercise)
Lifestyle changes for MDD
Aerobic exercise
Mindfulness
Zinc
GAD Tx
CBT (relaxation technics, mindfulness)
SSRI, SNRI (1st line)
+/- benzod
2nd line for GAD
Buspirone
Bupropion
Not recommended for GAD
BBlocker
Phobia duration for Dx
6 mo or more
Phobia Tx
CBT (exposure therapy, gradually facing feared situations)
SSRI/SNRI
MAOI
BB/benzod in acute situations
More efficacious Tx for phobic disorders
Behavioral therapy
OCD Tx
CBT (exposure with response prevention, challenging underlying beliefs)
SSRI/SNRI (12-16 wk)
Clomipeamine
+/- antipsychotics
Duration for PTSD Dx
1 mo
PTSD Tx
CBT ( emotional regulation techniques, then explore/mourn trauma, challenge dysfunctional beliefs, exposure therapy)
SSRI
Prazocin (nightmares)
Benzod (acute anxiety)
+/- SGA
Eye movement desensitization and reprocessing
Adjustment disorder timing
Starts within 3 mo of the onset of the stressor
Ends within 6 mo of the termination of the stressor
Adjustment disorder Tx
Brief psychotherapy
Benzod (significant anxiety)
Bereavement Tx
Support
Watchful waiting
Education and normalization of the grief process
Grief therapy indications
Those who need additional support
Complex grief/bereavement
Significant MDD
Indications of pharmacotherapy in bereavement
MDD present
PHx of mood disorders
Severe/autonomous symptoms
The most common persistent symptom in normal grief
Lonliness
Delirium w/u
CBC,diff, extended lytes, BUN, Cr, LFT, TFT, U/A, urine S/C, B12, folate, B1, Alb, glucose
+/- ECG, CXR, CT head, EEG, toxicology/heavy metal, VDRL, HIV, LP, B/C
AB causing delirium
Quinolons
CT head in delirium if:
Focal signs Hx of cancer Anticoagulant use Acute change in status Gait change Acute incontinence
MRI indications for delirium:
If suspicion of acute/subacute stroke
Multifocal inflammatory lesions
And negative CT
Delirium pharmacologic Tx
Halopridol
Risperidone
Olanzapune (sedating, less QT prolingation)
Quetiapine (if EPS)
Aripiprazole (may shorten QTc)
Benzod (for alcohol/subs withdrawal delirium)
Cognitive domains
Learning and language Memory Executive Perceptual-motor Complex attention Social cognition
4As of dementia
Amnesia
Aphasia
Agnosia
Apraxia
Mini Cog rapid assessment
3 word immediate recall
Clock drawn to 10 past 11
3 word delayed recall
Alzheimer’s disease main problem
Learning and memory
Frontotemporal degeneration
Language type
Behavioral type
Lewy body disease
Visual hallucination EPS Autonomic impairment Fluctuating No well response to pharmacotherapy
Vascular dementia
Vascular RFs
Focal neurological signs
Abrupt onset
Stepwise progression
Normal pressure hydrocephalus
Abnormal gait
Early incontinence
Rapid progression
Investigation for dementia
CBC, diff, extended lytes, BUN, Cr, LFT, TFT, U/A, Urine C/S, B12, folate, Alb, Glucose
+/- VDRL, HIV, SPECT, CT head
CT head indications in dementia
Focal signs Anticoagulant Hx of cancer Gait problem Acute change in status Acute incontinence Age younger than 60 Rapid onset Duration less than 2 y Recent significant head trauma Unexpected neurological symptoms
Dementia management
Cholinesterase inhibitors (mild-mod)
NMDA receptor anta (mod-sev)
low-dose neuroleptics (behavioral symptoms)
Antidepressants/trazodone (emotional symptoms)
Reassess q 3 mo
Rivastigmine
Cholinesterase inhibitor
Donepezil
Cholinesterase inhibitor
Galantamine
Cholinesterase inhibitor
Memantine
NMDA rec anta
Sleep in dementia
Fragmented at night
Sleep in delirium
Reversed sleep wake cycle
Sleep in depression
Early morning awakening
Reduced Rem latency
Increased REM
reduced slow wave sleep
Speech in dementia
Echolalia
Palilalia
Hallmark of substance abuse
Dependence
The class of substances without withdrawal effect
Hallucinogens
1st thing to consider when approaching a pt with substance abuse
Pt’s current state of change
Legal limit of alcohol level for impaired driving
10.6 mmol/L
50 mg/dL
Reaching legal limit of alcohol for impaired driving in men and women
Men: 2-3 drinks/h
Women: 1-2 drinks/h
Coma with alcohol
> 60 mmol/L (non-tolerant)
>90-120 mmol/L (tolerant)
Alcohol withdrawal time
12-48 h after prolonged drinking
Delirium tremes timing
3-5 d
Alcohol withdrawal Tx
Diazepam PO
Thiamine IM then PO
Supportive
Lorazepam instead of diazepam for alcohol withdrawal if:
Age>65
Severe liver disease
Severe asthma
Respiratory failure
If hallucination in alcohol withdrawal
Halopridol (+ diazepam)
Or SGA
Admission for alcohol withdrawal if
Still in withdrawal after 80 mg diazepam Delirium (tremens) Arrhythmia (recurrent) Seizure (multiple) Medically ill Unsafe to discharge
Wernicke encephalopathy
Oculomotor dysfunction (nystagmus, CN VI palsy)
Gait ataxia
Confusion
Wernicke Tx
Thiamine 100 PO OD x 1-2 wk
Korsakoff’s syndrom
Anterograde amnesia
Confabulation
Persists beyond duration of intixication/withdrawal
Korsakoff Tx
Thiamine 100 PO bid/tid x 3-12 mo
Tx of alcohol use diorder
Naltrexone
Disulfiram (for abstinence)
Acampeoste (maintain abstinence)
Opioid overdose management
ABC
Glucose
Naloxone (drip until alert w/o it up to > 48 h)
Observe at least 24 h
Onset of opioid withdrawal
6-12 h
Duration of opioid withdrawal
5-10
Opioid withdrawal management
Methadone
Buprenorphine
Clonidine ( a adrenergic agonist)
Opioid use disorder Tx
Methadone
Buprenorphine
Suboxone (naloxone + buprenorphine) SL route
Cocaine overdose in ECG
Prolongation of QRS
Cocaine overdose Tx
Diazepam for seizures
Not recommended for cocaine overdose
BB
Cocaine withdrawal timing
Initial crash 1-48 h
Withdrawal 1-10 wk
Cocaine withdrawal Tx
Supportive