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psych shelf
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116
Medical
Professional
03/30/2011

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Term
criteria for diagnosing MDD
Definition
five or more symptoms (at least 1 must be mood/interest) for at least 2 weeks
Term
norepi is released from the…
Definition
locus coeruleus
Term
norepi is responsible for
Definition
mood, attention, cognition, energy, activity
Term
NE deficiency syndrome consists of..
Definition
depressed mood, impaired attention, diff concentrating, deficits in working memory, slowness of info processing, psychomotor retardation, fatigue
Term
Serotonin is released from the…
Definition
raphe nucleus
Term
5ht responsible for
Definition
mood, movements (OCD), anxiety, panic, appetite, sleep, sexual dysfunction
Term
5ht deficiency syndrome
Definition
depression asocciated with anxiety, OCD, bulimia/overeating (5HT1A)
Term
5ht excess gives you..
Definition
GI, sexual, insomnia (5HT 2A/C, 3, 4)
Term
why are MAOis not used?
Definition
if eat tyramine (cheese, red wine) --> dangerous elevations of BP, intracerebral hemorrhage, death.
Term
anticholinergic side effects of TCAs
Definition
dry mouth, sedation, memory disturbances, constipation, urinary retention, blurry vision)
Term
antihistaminic side effects of TCAs
Definition
wt gain, sedation
Term
alpha 1 blockade side effects of TCAs
Definition
orthostatic hypotension, dizziness, falls
Term
block Na channels side effects of TCAs
Definition
cardiac arrhythmias, arrest/seizure
Term
why are SSRIs preferred over TCAs?
Definition
better side effect profile (because only works on 5ht and not cholinergic/histaminic receptors) and difficult to OD on)
Term
side effects of SSRIs
Definition
anxiety, restlessness, insomina, sexual dysfunction, GI side effects. These diminish over time
Term
class of drugs that is essentially a "safer TCA" because they have both SRI and NRI actions
Definition
SNRI (5ht/NE reuptake inhibitors)
Term
use of SNRIs
Definition
effexor --> anxiety. Sibutramine --> obesity drug.
Term
mechanism by which alpha 2 antagonists work
Definition
inhibits NE's interaction with its presynaptic autoreceptor --> no feedback inhibtion --> increase in both NE and 5ht
Term
why are alpha 2 antagonists "more selective" than SSRIs?
Definition
block 5ht2,3,4 (side effect causing) and blockade only goes to 5ht1A
Term
side effects of alpha 2 antag?
Definition
antihistaminic (wt gain, sedation)
Term
SARIs mechanism of action
Definition
serzone/trazadone --> 5ht2A antagonism and 5HT1A reuptake inhibition
Term
side effects of SARIs?
Definition
priapism (sustained erection), wt gain, sedation
Term
NDRI mech of action
Definition
NE/DA reuptake inhibitors
Term
NDRIs (buproprion) used for..
Definition
in addition to an SSRI to relieve sexual side effects and anhedonia. Rx of anorexia, cigarette cessation (decreases nicotine cravings)
Term
5ht 1A partial agonist mechanism of action?
Definition
if not enough 5ht for SSRIs to even be effective can help the neuron replete its 5ht.
Term
5ht1A (buspirone) used for?
Definition
GAD
Term
brand name, class and use of..buspirone
Definition
buspar. 5HT1A partial agonist. GAD
Term
brand name, class and use of..buproprion
Definition
wellbutrin, zyban. NDRI. In conjuction with SSRI, anorexia, cigarette cessation
Term
brand name, class and use of nefazodone/trazadone
Definition
serzone/desyrel. SARI. Depression (insomnia)
Term
brand name, class and use of mirtazapine
Definition
remeron. Alpha 2 antag. Depression. Anorexia?
Term
brand name, class and use of venlafaxine/sibutramine
Definition
effexor, sibutramine. SNRI. Anxiety, obesity.
Term
brand name and class of fluoxetine
Definition
prozac. SSRI
Term
brand name, class and use of sertraline
Definition
zoloft. SSRI. PTSD (among other things)
Term
brand name, class and use of paroxetine
Definition
paxil. SSRI. PTSD (among other things)
Term
brand name and class of fluvoxamine
Definition
luvox, feverin, dumirox, floxyfral. SSRI
Term
brand name and class of citalopram
Definition
celexa, cipramil, serostat, cipram. SSRI
Term
brand name, class and use of amitriptiline
Definition
elavil. TCA. Chronic pain
Term
brand name, class and use of nortryptiline
Definition
Pamelor, Noratren. TCA. Depression
Term
brand name, class and use of clomipramine
Definition
anafranil. TCA. OCD
Term
DSM criteria for diagnosing schizophrenia
Definition
2 of the following: delusions, hallucinations, disorganized speech, grossly disorganized/catatonic behavior, negative symptoms. Social/occupational dysfunction. Duration of at least 6 months.
Term
difference between schiophrenia and schizopreniform
Definition
schizophrenia but duration is between 1-6 months.
Term
which subtype of schizo has the best outcome? The worst?
Definition
paranoid (prominent delusions, hallucinations) has the best. Vs. diroganized (speech/behavior) is the worst type.
Term
DA in mesolimbic cortex responsible for..
Definition
reward/pleasure. In excess, causes psychosis
Term
DA in mesocortical pathways responsible for..
Definition
emotions. Decrease in DA here causes blunting of emotions (flat affecet, apathy, avolition..ie negative symptoms of schizo)
Term
what is neuroleptic induced deficit syndrome?
Definition
negative symptoms of schizo 2/2 decreased DA in the mesocortical pathways
Term
DA in nigrostriatal pathways responisble for
Definition
movement. Too much DA --> too much movement. When decrease DA get EPS side effects (rigidity, cogwheeling, bradykinesia, masked facies) due to Ach imbalance.
Term
DA in tuberoinfundibular tracts responsible for…
Definition
supresses prolactin. Thus, decreasing DA will increase prolactin --> prolactinemia, gynecomastia
Term
side effects of high potency typicals
Definition
EPS problems (bc more DA blockade)
Term
Tx for EPS side effects
Definition
cogentin (benztropine) or diphenhydramine (benadryl). If still present --> add benzo (lorezapam-ativan) as a last resort.
Term
Tx for akathisia SE
Definition
propanolol, then benztropine (cogentin). Then benzo
Term
what is NMS?
Definition
neuroleptic malignant syndrome- life threatening! Muslce rigidity, fevers, autonomic instability, change in mental status, elevated CPK.
Term
Tx for NMS
Definition
dantrolene (muscle relaxant), bromocriptine (DA agonist)
Term
Low potency typicals side effects?
Definition
less EPS, but sedation 2/2 antiAch activity, orthostatis 2/2 alpha 1 adrenergic blockage)
Term
brand name and class of fluphenazine
Definition
prolixin, high potency typical
Term
brand name and class of haloperidol
Definition
haldol, high potency typical. Use in delirium and tourettes
Term
brand name and class of pimozide
Definition
orap, high potency typical
Term
brand name and class of trifluoperazine
Definition
stelazine, high potency typical
Term
brand name and class of thiothixene
Definition
navane, high potency typical
Term
brand name and class of perphanzine
Definition
trilafon, mid potency typical
Term
brand name and class of chlorpromazine
Definition
thorazine, low potency typical
Term
brand name and class of clozapine
Definition
clozaril, atypical
Term
brand name and class of olanzapine
Definition
zypreza, atypical
Term
brand name and class of quetiapine
Definition
seroquel, atypical
Term
brand name and class of resperidone
Definition
resperdal, atypical
Term
brand name and class of ziprasidone
Definition
geodon, atypical.
Term
side effects of atypical antipsychotics
Definition
alpha 1 adrenergic: postural hypotension, reflex tachy, dizziness. Histamine: sedation, wt gain. 5HT2a: sexual dysfunction
Term
which atypical is most like haldol in SE profile?
Definition
resperdal
Term
only 2 drugs known to decrease suicide events
Definition
clozaril and lithium
Term
SE of clozaril
Definition
agranulocytosis, tachycardia, hypotension. Decreases seizure threshold. wt neutral (?)
Term
SE of ziprasidone (geodon)
Definition
prologation of qtc, sedation. But is wt neutral! Is lipophilic-so tell patients to take with meals.
Term
DSM criteria for manic episode
Definition
lasts for at least one week or requires hospitalization. Elevated, expansive mood plus 3 other symptoms. OR irritable mood plus 4 other symptoms. Other symptoms: inflated self esteem/grandiosity, decreased need for sleep, more talkative, flight of ideas, distractibility, increase in goal directed activity or psychomotor agitation, excessive involvement in pleasurable activities that have a high potential for painful consequences
Term
how is rapid cycling diff from manic episode?
Definition
at least 4 episodes of mood d/o in previous 12 months (either depressive or manic types)
Term
diff in treating a rapid cycler vs. bipolar
Definition
rapid cycler: 1st choice is valproic acid (depakote) and carbamezepine (tegretol) vs. Lithium for bipolar
Term
should you use an anti depressant with mood disorders?
Definition
eventually, but 1st optimize mood stabilizer because antidepressants can switch people into mania and make someone a rapid cycler.
Term
When is ECT the treatment of choice?
Definition
in severe acute mania/depression of pregnant patients (bc all mood stabilizers are teratogenic)
Term
Lithium treatment indications
Definition
acute manic/hypomanic episodes. Maintenance rx to diminish intensity and frequency of subsequent manic episodes. To prevent bipolar depression.
Term
off label uses for lithium
Definition
use alone to tx unipolar depression in schizoaffective disorders. Augment anti depressives. Vascular headaches (episodic/chronic cluster headaches), neutropenia (reduce incidence of infections)
Term
side effects of Li
Definition
1. renally excreted. Use with caution w/ renal impairment. 2. reabsorption competes with Na so diuretics can cause toxicity
Term
MOA of lithium
Definition
inositol depletion theory: inositol causes chronic cell stimulation --> manic symtoms. Also inhibits adenyl cyclase pathway --> decreases cAMP --> decreases sensitivity (this also leads to SE - antithyroid effects in ability to concentrate urine (nephrogenic diabetes insipidus)
Term
tests to do before initiating Li
Definition
pregnancy test, serum Ca and phos if < 12yo, EKG, electrolytes, BUN/Cr, UA, BMI, TFTs, WBC
Term
SE of Li
Definition
polyuria, polydipsia, tremor, wt gain
Term
Tx for late/severe Li toxicity
Definition
induce emesis/gastric lavage, hemodialysis, IV acetazolamide or mannitol.
Term
trade name for VPA
Definition
depakote
Term
use of depakote
Definition
first line for mania when mixed states or other comorbidities (b/c of superior side effect profile and better efficacy)
Term
between lithium and depakote, which has faster onset of action?
Definition
depakote: effect in a few days after achieving therapeutic levels. And unlike Li, don't usually need to add antipsychotics/benzos
Term
labs to check in pts on depakote
Definition
LFTs (rare hepatic toxicity), CBC (rarely thrombocytopenia/plt dysfunction), VPA levels q6 months. If late onset N/V/fatigue --> check ammonia levels
Term
SE of depakote
Definition
n/v/d, anorexia, heartburn, sedation, tremor, ataxia. Alopecia and wt gain
Term
carbamazepine's trade name is?
Definition
tegretol
Term
tegretol is used for
Definition
first choice for partial epilepsy and trigeminal neuralgia (and neuropathic pain) and primary generalized seizures. Used for refractory BAD such as mixed-episode and rapid cycling
Term
MOA of tegretol
Definition
opens Na channels --> become inactivated --> inhibits repetitive firing. Also blocks presynaptic Na channels , and voltage gated Ca cahnnels --> decreased NT release.
Term
SE of tegretol
Definition
common: GI and neurologic. Serious: hepatitis, blood dyscrasias, exfoliative dermatitis
Term
labs to monitor in pts on tegretol
Definition
CBCs (for blood dyscrasias), LFTs (for hepatitis)
Term
fetal abnormalities caused by lithium
Definition
CV abnl = ebsteins anomaly
Term
which organ systems does lithium affect?
Definition
heart, brain, kidney, thyroid/parathyroid (hypoT and hyperPTH in peds), derm, hem
Term
drugs that increase lithium levels
Definition
diuretics, NSAIDs, Antibiotics (metro/tetracycline), ACEi
Term
drugs that decrease lithium levels
Definition
acetazolamide, xanthines (theophylline, caffeine, aminophylline), osmotic diuretics (mannitol)
Term
fetal abnormalities caused by depakote
Definition
neural tube defects (so add folate if you MUST use this drug during pregnancy)
Term
most severe side effect of depakote
Definition
fatal hepatotoxicity, sedation, thromobocytopenia/plt dysfunction, hemorrhagic pancreatitis, agranulocytosis
Term
fetal abnormality caused by tegretol
Definition
craniofacial defects
Term
interactions b/w depakote and tegretol?
Definition
CNS toxicity
Term
life threatening SE of tegretol?
Definition
hepatitis, severe blood dyscrasias, exfoliative dermatitis
Term
Dementia pts have deficits in
Definition
1. memory and 2. aphasia (language), apraxia (motor activity), agnosia (can't recognize objects) and problems in executive functioning (planning, organizing, sequencing, abstracting). --all deficits must cause significant impairment in social or occupational fxning and sig decline from previous level of functioning
Term
dementia is usually acute/chronic and sudden onset/progressive
Definition
chronic, progressive
Term
t/f: you see clouding of consciousness in dementia
Definition
F. pt is alert and NO clouding of consciousness
Term
w/u for new onset dementia
Definition
RPR (syphillis), TSH, folate, B12, BMP, CBC, UA, head CT
Term
definition of delirium
Definition
behavioral response to a widespread disrubance in cerebral metabolism
Term
NT implicated in delirium
Definition
Ach (reason why anticholinergics are most often the culprits for delirium)
Term
primary disturbance in delirium is..
Definition
level of consciousness. Have associated impariments in orientation, memory, judgement and attention
Term
delirium is generally acute/chronic and suddent onset/progressive?
Definition
acute onset and brief in duration. Often fluctuating course.
Term
describe arousal in delirium
Definition
can be both increased/decreased. If increased --> sympathetic autonomic signs. If decreased --> daytime somnolence
Term
describe language and cognition in delirium
Definition
nonsensical rambling and incoherent speech
Term
describe perception in delirium
Definition
diff discriminating sensory stimuli. A/V illusions.
Term
describe orientation and mood in delirium
Definition
fluctuating
Term
describe neurological functioning in delirium
Definition
dysphagia, tremor, asterixis, poor coordination, gait apraxia, frontal release signs, chroreiform mvmts, seizures, babinski, dysarthria. No focal findings
Term
tx for delirium
Definition
tx underlying cause. For disturbed sleep --> short acting benzos. For psychosis/agitation --> haldol
Term
symptoms of depressive dementia (vs. true dementia)
Definition
rapid onset, more insight into cognitive defects, some vegetative signs of depression, + response to psychostimulant trial, pervasive but inconsistent cognitive defects, pt says "I don’t know" to questions, past hx of depression
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