Psychiatry (p348-373) Flashcards
In evaluating a psych pt, what must first always be ruled out?
drug abuse
What should be the approach to treatment of psych disorders?
Combination tx with psychotherapy and pharmacologic tx
What are some criteria to hospitalization?
Danger to self
danger to others
Unable to care for self
Syndrome of repeated major depressive episodes
Major depressive disorder
What is the criteria for major depressive disorder?
2 depressive episodes to continue for greater than 2 weeks each seperated by atleast 2 months or greater.
What is psychodynamic therapy?
understanding self and inner conflicts
what is cognitive behavioral therapy?
recognizing negative thought or behavior and altering thinking/behavior accordingly
What is interpersonal therapy?
Examines relation of sx to negative/absent relationships with others
What is the indication for Electroconvulsive treatment?
refractory cases
What are the side effects of TCAs
orthostatic hypotension
prolonged QRS
When does seritonin syndrome occur?
MAOI interaction with SSRIs, meperidine or pseudoephedrine
When might hypertensive crisis occur in a pt on MAOi’s?
If they eat tyramine rich foods (wine and cheese)
What side effect is mirtazapine associated with?
agranulocytosis
Major depressive symotoms that continue for a duration of minimum 2 years.. .diagnosis?
Dysthymic disorder
Tx as you would MDD
Older adult whose partner just died, sx less than 2 months…diagnosis?
More than 2 months? Dx?
2 mos = MDD
Pt with increased energy, decreased need to sleep, pressured speech, hypersexuality, impulsivity, spending large amounts of money, outrageous activity. Dx?
Bipolar disorder (manic depression) – seen more in young people. whereas MDD is for people in 40s
How long must episodes last to be classified as bipolar?
> 1 week
What is the difference between bipolar I and II?
I = manic episode with or without depressive episodes
II = depressive episodes with hypomanic episodes but by definition the absence of manic episodes
What is rapid cycling and what can it be precipitated by?
4 episodeds in 12 months, can be precipitated by anti depressants
What is the 1st and 2nd line for bipolar disorder?
Valproate is 1st line
Lithium 2nd
Why must lithium levels be frequently checked?
Toxicity can cause tremor and polyuria from nephrogenic diabetes inspidus
Side effect of valproate and carbamazepine
Blood dyscrasias
What are the 2 biggest culprits of drug induced mania?
Dx?
Rx?
Cocaine and amphetimenes
Dx with Urine or serum tox screen
Tx: Ca channel blockers for acute autonomic sx
False sensory perception not based on a real stimulus
Hallucination
False interpretation of external reality
Delusion
When is hospitalization indicated for hallucinations or delusions?
When voice telling pt to hurt themselves or others or if condition is disabling enough to the point where pt cannot care for themselves
What is the time frame differences between schizophrenia, schizophreniform and brief psychotic disorder?
schizophrenia >6 months continuously
schizophreniform 1-6months
brief psychotic disorder 1 day to 1 month with full recovery to baseline functioning
Schizoaffective definition
mood disorder + schizophrenia
What kind of delusions do people with delusional disorder have?
non bizarre delusions
Pts acutely not oriented to person, time or places. Severity waxes and wanes
Delirium
Paranoid delusions + feeling of bugs crawling on skin (formication) is a sign of..
cocaine and amphetamine use
What drug was used if pt has visual, taste touch or olfactory hallucinations?
LSD and PCP
What class of drugs are chlorpromazine and haldoperidol?
Typical antipsychotics
What class of drugs are clzapine, respiridone and olanzapine
Atypical antipsychotics
Younger pt less than 25 yrs with MI like sx, escalate for 10 mins, last about 30 mins.Dx? Tx?
Panic disorder, dx made by exclusion
SSRI, SnRI, if you need asap, Benzos
Cognitive behavioral training, respiratory relaxation training
Sustained muscle spasm anywhere in the body, but often in the neck jaw or back, lasting 4hrs to 4 days. Dx? Tx?
Acute dystonia
Tx: IV diphenhydramine
Cog wheel rigidity, shuffling gait, resting tremor lasting 4 days to 4 mos. Dx? Tx?
Parkinsonism
Tx: Benztropine
Involuntary irregular movements of head, tough, lips, limbs and trunk. Lasts 4 mos - 4 years
Tardive dyskinesia
Tx: change meds or decrease doses immediately
Subjective sense of discomfort, restlessness, pacing, sitting down and getting up. Dx? tx?
Akathisia
Tx: lower medication doses
Life threatening muscle rigidity –> fever, increased BP/HR, rhabdomyolysis over 1-3 days. Can easily be misdiagnosed as a psycotic sx. Labs can show increased WBC, CK, transaminases, plasma myoglobin. Dx? Tx?
Malignant Neuroleptic syndrome
Tx: immediately stop drug, give Dantrolene (stops Ca release into cells), Cool patient to prevent hyperpyrexia
Fear of being in situations where escaping would be very difficult should a panic attack arise. Dx? Tx?
Agoraphobia
Tx: Exposure desensitization = exposure to noxious stimulus in crements while undergoing concurrent relazation tx. Also, B-blocker for prophylaxis
Recurrent thoughts
Obsessions
Recurrent act
Compulsions
Obsessive thought creates anxiety and compulsion relieves that anxiety. Commonly includes cleanliness/contamination. Pt recognizes the absurdity of the obsessions. Dx? Tx?
Obsessive Compulsive disorder
SSRI (1st line) or Clomipramine
CBT
Obsessive thought creates anxiety and compulsion relieves that anxiety. Commonly includes cleanliness/contamination. Pt sees nothing wrong with obsessions. Dx?
Obsessive compulsive personality disorder
Pt s/p traumatic violent event and relives the moment through conscious thoughts and dreams. Avoids public places and activities. Depression, moodiness, difficulty concentrating. Dx?
What is acute form of this
Post traumatic stress disorder
Acute form = acute stress disorder (seen in victims of sexual assault)
Tx: SSRI
What drug should you be cautious of giving PTSD pt?
Careful of giving benzodiazepines bc high association between substance abuse and PTSD
What are the 2 approaches of psychotherapy?
Prolonged exposure treatment: relieving the experience
Cognitive processing therapy: attacking the source vs. controlling the sx
Worry for most days for atleast 6 months, irritability and inability to concentrate. Insomnia, fatigue, restlessness. SOCIAL DYSFUNCTION (affecting school, job, marital strain). Dx? Tx?
Generalized anxiety disorder
Tx: psychotherapy bc chronicity of probleml, biofeedback and relaxation techniques are good
Pharm: B blocker
Paranoid, schizoid and schizotypal personalities thought of as weird or eccentric. Cluster ___
A
Borderline, antisocial, histrionic, narcissistic personalities thought of as wild, dramatic and agressive. Cluster ___
B
Avoidant, dependent, obsessive compulsive thought of as shy and nervous. Cluster ___
C
Transforming unacceptable feeling into actions, often loud ones (tantrums). What ego defense?
Acting out
Contstructivev service to others that brings pleaseure and personal staisfaction. What ego defense?
Altruism
Refusal to accept external reality because it’s too life threatening. What ego defense?
Denial
Redirection of some emotion from a real source to substitute person or object. What ego defense?
Displacement