Psychiatry Flashcards
Treatment:
Panic disorder
First line
- Cognitive behavioral therapy
- SSRI
- SNRI
Immediate relief:
1. Benzodiazepines
In what panic disorder patients should you avoid using benzodiazepines?
Patients with a history of substance abuse.
Short term therapy vs. Long term therapy
Bipolar I disorder
Long-term maintenance pharmacotherapy is recommended to decrease the risk of recurrent mood episodes.
What are the clinical features of acute stress disorder (ASD)?
- Exposure to actual or threatened trauma
- Intrusive memories, nightmares, flashbacks with intense psychological/physiological reactions
- Amnesia for event/detachment (dissociative symptoms)
- Avoidance of reminders
- Negative mood
- Arousal with sleep disturbance
- Irritability
- Hypervigilance
- Exaggerated startle
- Impaired concentration
Lasting more than or equal to 3 days, but less than 1 year
What is the drug of choice for pediatric depression?
Fluoxetine + Psychotherapy
Which antidepressant is preferred in patients with:
- low energy
- impaired concentration
- hypersomnia
- weight gain
- difficulty with smoking cessation
Buproprion
What are the contraindications for buproprion?
- Seizure disorders
2. Eating disorders
Treatment:
Agitation and aggression
Benzodiazepines
Diagnosis:
- agitation
- psychosis
- disorientation
- nystagmus
Phencyclidine (PCP) intoxication
Severe cases may present with: hyperthermia, ataxia, muscle rigidity, seizures and coma.
Treatment:
Phencyclidine (PCP) intoxication
First line: Parenteral Benzodiazepines (lorazepam, diazepam)
Second line: Haloperidol if resistant to benzodiazepine or Hx of seizures
Severe cases: Propofol
Patients are often too agitated to take oral medications.
Is urinary acidification an appropriate treatment for PCP intoxication?
NO! It increases the risk for acidosis and renal damage.
How do you differentiate alcoholic hallucinosis from delirium tremens?
Alcoholic hallucinosis:
- occurs within 12-24 hours after last drink and self resolves after 48 hours
- Sensorium is intact
- Vital signs typically remain stable
Delirium tremens:
- Occurs between 48-96 hours after last drink
- presents with disorientation and global confusion
- hallucinations, fever and autonomic hyperactivity (hyperthermia, tachycardia, hypertension & diaphoresis)
Treatment:
Neuroleptic malignant syndrome
- cessation of antipsychotics
- intensive supportive care (i.e. hydration and cooling)
- dopamine agonists (bromocriptine)
- dantrolene
Treatment:
Adjustment disorder
Psychotherapy to improve coping skills and promote a return to functioning.
How many SIGECAPS symptoms are required to consider a diagnosis of major depressive disorder?
>/= 5 Sleep disturbance loss of Interest excessive Guilt low Energy impaired Concentration Appetite disturbance Psychomotor agitation/retardation Suicidal ideation
What is the differential diagnosis of depressed mood?
- Major depressive disorder
- Persistent depressive disorder (dysthymia)
- Adjustment disorder with depressed mood
- Normal stress response
Diagnose:
Adjustment disorder
- Onset within 3 months of an identifiable stressor
- Marked distress/functional impairment
- Does not meet any other DSM-5 disorder criteria
What is the greatest risk factor for suicide?
History of suicide attempt.
List the risk factors for suicide.
- Psychiatric disorders, prior suicide attempts
- Hopelessness
- Never married, divorced or separated
- Living alone
- Elderly white man
- Unemployed or unskilled
- Physical illness
- Family history of suicide, family discord
- Access to firearms
- Substance abuse, impulsivity
List the protective factors against suicide.
- Social support/family connectedness
- Pregnancy
- Parenthood
- Religion and participation in religious activities
Which patients are at risk for HIV dementia?
Patients with:
- Long-standing HIV (especially untreated)
- CD4+ cell count <200/mm3
What are the characteristics of HIV dementia?
- Increasing apathy
- Impaired attention
- Memory loss
Subcortical dysfunction (present early)
- Slowed movement
- Difficulty with smooth limb movement
What are the symptoms of opioid withdrawal?
- Myalgias
- GI symptoms (nausea, abdominal cramping, hyperactive bowel sounds)
- Piloerection
- Pupillary dilation
- Irritability
- Yawning
- Lacrimation
Treatment:
Obsessive-Compulsive disorder
First line treatment:
- CBT (exposure and response prevention)
- SSRI
Treatment:
Generalized Anxiety Disorder (GAD)
- CBT
2. SSRI or SNRI (e,g,. escitalopram)
Prior to recommending a treatment approach for PMS/PMDD what should be done?
Detailed menstrual diary covering 2-3 menstrual cycles.
Treatment:
Bipolar I disorder
- Second generation antipsychotics (eg, quetiapine, lurasidone) during the depressed phase
* Avoid antidepressant monotherapy in bipolar I disorder.*
Which antidepressant is a good choice for a patient with:
- Poor sleep
- Poor appetite
Mirtazipine, it can cause drowsiness and increased appetite.
What are the most common side effects associated with olanzapine?
- Weight gain (due to Histamine 1 and 5-HT2c receptor antagonism)
- Sedation (due to histamine 1 receptor antagonism)
less common:
- Hyperglycemia
- Dyslipidemia
- New-onset diabetes mellitus
Diagnose:
Cyclothymic disorder
- Chronic mood disturbance >/= 2 years
- Numerous episodes of hypomanic and depressive symptoms
- sub threshold for diagnosing major depressive episode or hypomanic/manic episode
Which class of anti-depressants is associated with hypertensive crisis when eating tyramine rich foods?
Monamine oxidase inhibitors (eg, phenelzine)
MAOIs are typically used to treat refractory and atypical depression.
When should benzodiazepines be avoided in the treatment of performance-only social anxiety disorder?
- History of substance abuse
2. If performance will be impaired by cognitive and sedative side effects.
Treatment:
Performance only social anxiety disorder
- Beta blockers: control the the autonomic response (tremors, tachycardia, diaphoresis)
- Benzodiazepines
- DO NOT use benzodiazepines if patient has a hx of substance abuse, or if performance might be affected by side effects of sedation and cognitive impairment. *
Treatment:
Tardive dyskinesia associated with prolonged exposure to antipsychotic drugs
- Discontinue antipsychotic drug
- Switch to clozapine if discontinuing antipsychotic drug is not feasible
- Treat with valbenazine
What is tardive dyskinesia?
Abnormal involuntary movements of the mouth, tongue, face, trunk and extremities.