Psychiatry Flashcards
Quetiapine (atypical antipsychotic) effect on weight
Promotes weight gain
First line treatment for obesity
Lifestyle intervention (CBT, diet, physical activity)
Unipolar mood disorders
Only low moods (depression)
The most strongly heritable mental illness is
Bipolar disease, 10x increase in 1st degree relatives
Mania in Bipolar I
Often extreme, increased mood and activity for more than 7 days
Mania in bipolar II
Hypomania, more than 4 days to count
Mania is defined as 3 or more of
Grandiosity, sleep decrease, speech change, racing thoughts, distractibility, agitation, impulsivity
Flight of ideas
Jumping from one idea to the next
DDX suspected mania
Hypomania, psychosis, substance use, delirium, catatonia, anxiety, endocrine, neurological, cerebrovascular
Chance of recurrence after first manic episode
90%
Treating mania
Requires medication and almost always hospitalization
Gold standard treatment for bipolar 1
Lithium
Lithium treats
BPD1, and can be helpful in BPD2
Can a breastfeeding woman take lithium?
No, lithium is contraindicated during breastfeeding
Which organ function can be reduced by lithium
Both thyroid and renal function (if used long term)
Divalproex sodium is also known as
Valproic acid
Med class Valproic acid
Anti-epileptic, can also be helpful in BPD
Can a pregnant woman take Valproic acid?
No, it is contraindicated
Main indication for Lamotrigine is
bipolar depression
Lamotrigine has a risk of which side effect
SJS - drug emergent rash
4 commonly used atypical antipsychotics include
Quetiapine, olanzapine, risperidone, aripiprazole
First line treatment for acute mania
Lithium, divalproex
First line treatment for bipolar depression
Lithium, Lamotrigine, Quetiapine
Overdose of TCAs can cause death by
Cardiac arrhythmia
How long til some benefit of antidepressants are seen?
2-3 weeks
How long until maximal benefit of antidepressants?
6-8 weeks
SADPERSONS for
Suicide and self harm behaviour
SADPERSONS stands for
Sex (male) Age (<19, >45) Depression Previous attempt Ethanol Rational thinking loss Social Organized plan No spouse Sickness
SIGECAPS screens for
Depression
SIGECAPS stands for
Sleep Interest Guilt Energy Concentration Appetite Psychomotor Suicidal ideation
How does ECT work for depression?
ECT induces generalized seizures
Most common side effect of ECT
Anterograde memory loss
Risperidone is commonly used to treat
Schizophrenia, bipolar disorder, irratability associated with autistic disorder
Risperidone class
Second generation atypical antipsychotic
Trying to conceive on risperidone
May cause hyperprolactinemia, which may cause a reversible decrease in reproductive function
Mechanism of action Risperidone
High 5HT2 and D2 receptor antagonists
Serotonin and dopamine receptor antagonist
Form 1 basic definition
Application for psych assessment
Form 1 is completed by
An MD
Form 1 is valid up to
72 hours
Form 42 basic definition
Notice to patient that theyre on a form 1 and why
Form 42 is completed by
MD, given to patient
Form 2 basic definition
Order for examination
Form 2 filled out by
Justice of the peace, based on information from public, family, friend, loved ones
Form 2 is valid for
7 days
When a patient arrives due to form 2
They must be assessed then placed on form 1, admitted voluntarily, or allowed to leave
Form 3 basic definition
Certificate of involuntary admission
Form 3 can last
Up to 14 days