14/2 Flashcards

1
Q

What symptoms define psychosis?

A
  • Delusion
    • a false FIXED belief that is held in absence of evidence
  • Hallucination
    • perception of something in the absence of external stimuli
  • Formal thought disorder
    • disorder in the form of thought

Can have just one or all three but need at least one for psychosis to be present

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2
Q

Define
- persecutory delusion
- referential delusion
- Circumstantiality

A

Persecutory delusion - being targeted

referential delusion - believing that there is a message for them personally in movies, life etc.

Circumstantiality - when conversation takes ages to get to the point

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3
Q

What is the differentials be for psychosis?

A
  • Schziophernia
  • Depressive psychosis
  • Autoimmune encephalitis
  • Drug induced pyschosis
    • related to dopernagic drugs e.g. cocaine particularly crack, speed
  • thyroidtoxicosis
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4
Q

How can you help identify schizophrenia?

A

CHRONIC condition

Positive symptoms
- thought disorder
- hallucinations
- delusions

Negative symptoms
- apathy
- withdrawn
- difficulties with concentration

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5
Q

Flight of ideas vs Knights’ move thinking

A

Conversation all over the place but with link

Knights move thinking - all over the place but w/o link

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6
Q

Name examples of typical/first gen and 2nd gen/atypical anti-psychotics

What is the main side effects

A

Typical
- haloperidol
- chlorpromazine

Atypical
- clozapine
- olanzapine
- quetiapine
- risperidone

1st gen - extra-pyramidal side effects (DO NOT USE IN PARKISONS)

2nd gen - weight gain and sedation
Clozapine - agranulocytosis

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7
Q

In what circumstances is IV acteyloine given without paracetamol levels taken first or before recieving paracetomol levels?

A

Staggered OD or unknown quantity or present 8-24hrs post taking and have taken >150 mg/kg

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8
Q

What defines pressured speech?

A

Difficulty to interrupt

Will be fast but people that are anxious can talk fast

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9
Q

What is the difference in hypomania and mania?

A

Exactly the same

If have psychotic symptoms/being reckless = mania (regardless of time scale)

Hypomania - lasts 4 days
Mania - has to last at least a week

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10
Q

Differential diagnosis of mania

A

Bipolar disorder
Drug induced - cocaine

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11
Q

How do you manage mania?

A
  1. Antipsychotic
    +/- Benzos
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12
Q

What side effect should patients be warned off when starting SSRIs so they don’t stop?

A

Nausea + can make you worse before you get better - takes at least 3/4 weeks to see an effect

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13
Q
A
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