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Psychiatry > Extra > Flashcards

Extra Flashcards

1
Q

What are flashbacks?

A

Type of pseudohallucination

May be present in PTSD

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2
Q

What is oculogyric crisis?

A

Dystonic reaction to certain drugs

Including antipsychotics

Prolonged involuntary upward deviation of eyes

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3
Q

What can benzodiazepines cause as a side effect?

A

Resp depression

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4
Q

What is zopiclone?

A

Non-benzodiazepine hypnotic

Acts on GABA receptor to stimulate GABA

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5
Q

How do benzodiazepines work?

A

Directly stimulate GABA

Diazepam, clonazepam, lorazepam

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6
Q

What are elementary hallucinations?

A

Simple unstructured sounds

i.e. whistle

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7
Q

Which antipsychotic can cause neutropenia?

A

Clozapine (agranulocytosis)

Rarely in carbamazepine

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8
Q

What are common MAOIs?

A

Isocarboxazid
Phenelzine
Selegiline
Tranylcypromine

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9
Q

What causes hyperprolatinaemia? (pathway)

A

Blockage of tuberoinfundibular pathway

In this pathway prolactin release is inhibited by dopamine so blockage of this pathway can cause hyperprolactinaemia

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10
Q

What symptoms does the mesolimbic pathway produce?

A

Increased dopamine produces positive symptoms in Schizophrenia

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11
Q

What symptoms foes mesocortical pathway produce?

A

Decreased dopamine produces negative symptoms in schizophrenia

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12
Q

Where do TCAs act?

A

Pre-synaptic neurone

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13
Q

What passes through GABA channels?

A

Chloride ions

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14
Q

What can occur metabolically in bulimia/anorexia nervosa as a result of induced vomiting?

A

Metabolic alkalosis - loss acid

Hypokalaemia - due to alkalosis raising potassium excretion

Hypochloraemia - loss of HCl

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15
Q

Which antipsychotics cause extrapyramidal side effects?

A

Typical antipsychotics

  • haloperidol
  • fluphenazine
  • chlorpromazine
  • droperidol
  • thiothixene
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16
Q

What are extrapyramidal side effects?

A

Tremor
Slurred speech
akathisia
Dystonia

17
Q

What are some atypical antipsychotics?

A 
Clozapine
Risperidone
Sulpiride
Olanzapine
Quetiapine
Seroquel
18
Q

Why is bupropion not used as an antidepressant in anorexia/bulimia?

A

Increased seizure risk

19
Q

What are features of Korsakoff’f syndrome?

A

A complication of Wernicke’s encephalopathy

  • retrograde amnesia
  • anterograde amnesia
  • confabulation
20
Q

What are features features of Wernicke’s encephalopathy?

A

ataxia, opthalmoplegia, confusion

21
Q

What is passivity?

A

Belief that your movements/sensations are caused by an external force

Psychiatry (16 decks)

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