Psychiatry Flashcards
Staying still in an unusual position
Catatonia
-can have catatonic schizophrenia
Drug which reduces the seizure threshold
Clozapine
Antidepressant which elongates QT interval
Citalopram (also escitalopram)
Atypical antipsychotic with best side effect profile (esp for hyperprolactin)
Aripiprazole
Antidepressant used after MI
Sertraline
How do benzos work?
Enhance GABA by increasing frequency of chloride channels
Treatment of tardive dyskinesia
Tetrabenazine
Lifestyle factor which increases clozapine levels
Smoking
Antipsychotics in elderly- what about?
Stroke and VTE
Antidepressant mechanism: Inhibit a2 and serotonin receptors, enhancing both transmission in brain
Noradrenergic and Specific Serotonin Antidepressant (NaSSA)
Antidepressant mechanism: Inhibit serotonin and noradrenaline reuptake at presynaptic membrane
Tricyclic Antidepressants (TCAs) Serotonin and Noradrenaline Reuptake Inhibitors (SNRIs)
Antidepressant mechanism: Inhibit serotonin reuptake at presynaptic membrane
Selective Serotonin Reuptake Inhibitors (SSRIs)
Antidepressant mechanism: Inhibit metabolism of monoamines
Monoamine Oxidase Inhibitors (MAOIs)
Mechanism behind extrapyramidal side effects of typical antipsychotics
Blockade of the dopamine receptor promotes hypersensitivity of the D2 receptor in the nigrostriatal pathway
Wernicke’s Triad
Confusion
Ataxia
Ophthalmoplegia (lateral recti)
Korsakoff’s Triad
Retrograde amnesia
Anterograde amnesia
Confabulation
Mechanism of methylphenidate
Noradrenaline-dopamine reuptake inhibitor
Alternative to chlordiazepoxide in liver failure
Lorazepam (avoids increased risk of sedation)
Who is involved in Section 135 and 136?
Police + AMHP + 2 docs remove the patient
Who is involved in Mental Health Act Assessment?
- Patient
- Approve Mental Health Professional (AMHP)
- S12 Approved doctor (consultant psychiatrist)
- Doctor (patient’s GP ideally)
- Nearest relative (long-term partner, eldest parent)
Just need doc and AMHP for Section 4
Rapid tranquilisation drugs
IM lorazepam and IM haloperidol
Antidote for benzo-induced respiratory distress
Flumazenil
Max alcohol consumption per week (in Units)
14 Units/week
Definition of binge (in Units)
6 Units in a session
Baby with small eye openings, flat philtrum and thin upper lip
Foetal Alcohol Syndrome
Antidepressants causing GI bleeding
SSRI (need to give PPI if also on NSAID)
Antidepressant which must not be combined with other antidepressants
Phenelzine (Monoamine Oxidase Inhibitor)
Antidepressant that causes Neonatal Adaptation Syndrome (agitated, insomnia, poor feeding)
Paroxetine
Type 1 vs Type 2 Bipolar
Type 1: manic and depressive
Type 2: depressive with hypomanic
Definition of toxic level of lithium
> 1.2
Lithium side-effects
Decreased memory
Tremor
Hypothyroidism
Schneider’s First-rank symptoms
Auditory hallucinations
Delusional perception
Passivity
Thought interference
3 types of auditory hallucinations in Schneider’s
Talk about patient
Running commentary
Thought echo
Mechanism of antipsychotics
Block post-synaptic D2 receptors
4 defining features of Anorexia Nervosa
- BMI < 17.5
- Deliberate weight loss
- Distorted body image
- Endocrine dysfunction= HPG axis messed up
How much weight gain should anorexia aim for?
0.5kg a week
2 forms of psychotherapy for adults with anorexia
Eating Disorder-Focused CBT: addresses low self-esteem, perfectionism and the urge to have control of things
Maudsley Anorexia Nervosa Treatment for Adults (MANTRA): overcome personality traits and thinking styles that foster anorexia
First-line psychotherapy for kids with anorexia/bulimia
Family Therapy: 20 sessions over a year –> shows role of family in helping kid recover
ADHD has to onset before this age
<7yrs
3 defining components of ADHD
- Inattention
- Hyperactivity
- Impulsivity
Questionnaire used in ADHD
Conner’s Rating Scales