Texas Review Flashcards
What stroke can lead to disinhibition like mania?
Right Frontal Hemisphere Stroke
Meds to Avoid in Mania?
SSRIs and TCAs
Lithium toxicity sxs
N/V/D, coarse tremor, ataxia, confusion, slurred speech
Lithium Major Side Effects
Weight gain, acne, GI irritation, cramps
Lithium MOA
Suppresses Inositol triphosphate
Therapeutic Levels of different anticonvsulants
Lithium: 0.6-1.2 mg
Depakote: 6-12 mg
Carbamazepine: 60-120 mg
What to monitor for Lithium?
Li level q4-8 weeks
TFTs q6mo
Cr, UA, CBC, EKG
Contraindications for Lithium?
Severe renal dz, MI, diuretics or digoxin, MG, pregnancy or breastfeeding
Valproate side effects
N/V/D, skin rash
SJS/TEN with BAD
Lamotrigine (less likely tegretol)
Bipolar and agranulocytosis cause
Tegretol. Monitor weekly CBC if ANC<1000
Bipolar and inc. AFP in a 20 wk preggo?
Neural tube defect from Depakote or Tegretol. Take 4g of folate a day.
Carbamazepine most common side effect?
Rash
First thing to ask a very depressed patient?
Want to kill yourself?
What kind of stroke can mimic depression?
Left MCA stroke
beta-blockers, alpha-methyldopa, l-dopa, OCPs, ETOH can all trigger what
depression
Porphyria, Lyme, Uremia, Hungtington’s, MS, Lupus can cause what
depression
Atypical Depression Symptoms
- Weight gain/Increased appetite
- Hypersomnolence
- Rejection Hypersensitivity
- Leaden paralysis
Complicated vs. Uncomplicated Bereavement?
No suicidal ideation other than thoughts of wanting to be with loved one. No psychosis other than hearing/seeing loved one.
Adjustment Disorder, when must it start and how long can it last?
Must start within 3 months of an identifiable stressor and cannot persist longer than 6 months after the stressor ends.
How to treat adjustment disorder?
Psychotherapy
Most drug-drug interactions SSRI
Paroxetine
SSRI with fewest drug-drug interactions?
Citalopram…I thought it was fluoxetine in Lange?
Discontinuation syndrome sxs?
HA N/V/D Dizziness Fatigue Brain Zaps
Serotonin syndrome sxs?
Myoclonus (lower extremities) Tachycardia High BP Hyperreflexia n/v/d
MAOI + SSRI
SSRI causes impotence, switch to?
Bupropion
Contraindications to Bupropion?
Seizures, alcoholics, bulimia
Good for old, skinny, sad women?
Remeron for sleep and appetite
ECT is best for what patients
Preggos and Old people
Avoid what antidepressant in hypertensive patients?
Venlafaxine. Don’t take with st. John’s wort
Hypertensive crisis from MAOI
Pounding HA
Flushing
Nausea
Myoclonus
How to treat hypertensive crisis from MAOI?
Phentolamine 5 mg IV
alpha1 antagonist
Causes of hypertensive crisis from MAOI?
Cheese, anything fermented/pickled, wine
Decongestants
Demerol (Meperidine, Pethidine)
Effect of TCA on EKG?
QRS widening and prolonged QT interval
Normal QTc in males and female?
Males: <440 ms
Tx for TCA overdose?
Charcoal if w/i 1-2 hrs
IV sodium bicarb to help with metabolic acidosis and cardioprotective
Negative symptoms of schizophrenia?
5 A’s
- Anhedonia
- Affective Flattening
- Alogism
- Avolition (Apathy)
- Attention
Most common type of SCZ?
Paranoid, best prognosis
SCZ heritability?
MZ twin: 50%
Sibling: 10%
Brief Psychotic Disorder vs. SAD vs. SCZ
BPD 6 mo.
How to treat SAD?
Atypical + SSRI/Li (depending on mood symptoms)
SAD vs. SCZ symptoms
SAD requires 2 weeks of psychotic symptoms with the absence of affective symptoms
Psychotic Depressino tx.
Atypical + SSRI
OR
ECT (especially if pregnant)
Clozapine and Prolactin?
Doesn’t cause increases in prolactin?
Atypicals vs. Typicals effect on Prolactin
Typicals raise prolactin because they block DA so strongly, Atypicals typically don’t have any substantial effect on prolactin, except for Risperdal (the most typical atypical)
Butyrophenone is what
Drug class: Includes Haldol
Chlorpromazine causes what side effects?
- Jaundice (from anticholinergic effects?)
2. Purple grey metallic rash over sun-exposed areas
Thioridazine side effects
Pigmentary retinopathy
Prolonged QTc
Antipsychotics and QTc
Low potency and atypicals have a greater effect?
Antipsychotics and seizure threshold
Low potency and atypicals have a greater effect?
Parkinsonism tx
Cogentin/Benadryl, amantadine/bromocriptine (DA agonists)
NO L-DOPA
Onset of different EPS
Acute dystonia (6 mo.) TD (years)
Neuroleptic Malignant Syndrome sxs.
- Hyperthermia
- Rigidity
- Autonomic Instability
- Delirium
- Increased CPK
NMS tx
- D/c med
- Dantrolene and cooling blankets
or bromocriptine (2nd line)
Other causes of NMS
Metoclopromide, compazine, droperidol
Atypical with highest risk for EPS and increased prolactin?
Risperdal
Atypical Weight neutral but prolongs QTc
Ziprasidone
Atypical Weight neutral but increases akathisia
Aripiprazole
Atypical Most associated with weight gain (#1 s/e is sedation)
Olanzapine
Atypical Causes orthostasis and cataracts
Quetiapine (alpha blocking properties)
Good for treating refractory SCZ
Clozapine
Clozapine most common s/e
Sedation, weight gain, increased blood sugar and lipids
Most dangerous S/e for clozapine
decreased seizure threshold and agranulocytosis
Clozapine monitoring
CBC: ANC qWeek for 6 mo., then q2weeks for next 6 mo.
D/c if WBCs <1500
Patient comes in with something like a panic attack, what do you do first?
Cardiac screening: EKG, cardiac enzymes, echo, TSH or T4, UDS