S - Biological Therapies Flashcards Preview

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Flashcards in S - Biological Therapies Deck (12):
1

What are the two main types of drugs?

Atypical
Typical

2

What symptoms do typical drugs treat?

Positive

3

Describe how typical anti-psychotic drugs work

They are dopamine antagonists - they bind to the dopamine receptors (D2) so that dopamine cannot reach the receptors to stimulate them
Reduced stimulation of the dopamine system means that symptoms such as hallucinations and delusions can be eliminated

4

Describe how atypical anti-psychotic drugs work

Act on the dopamine system
Are thought to block the serotonin receptors in the brain too

5

What symptoms do atypical drugs treat?

Positive and negative

6

Describe ECT

Involves administrating an electric shock for a fraction of a second to the end which induces a seizure
Seizure generally lasts between about 15 and 60 seconds
Can be bilateral (given to both sides of the head) or unilateral (non-dominant side only)

7

Why is a muscle relaxant given during ECT?

To ensure that the muscle contractions that occur do not result in bone or muscle damage

8

How long is a typical course of treatment for ECT?

6-12 treatments
3x per week

9

However, why might drugs not be effective?

Not effective for everyone
About 30% of patients diagnosed with schizophrenia either do not respond or are intolerant to the drugs

10

Why might drugs not be appropriate?

Unwanted side effects
Tardive dyskinsia is an irreversible disorder that can be induced as a result of long-term use

11

Why might drugs be appropriate?

Schizophrenia is believed to be biologically based so its appropriate for treatment to be biological as well

12

Why is ECT not effective?

Less effective than drugs alone - but when it was combined with drags it enhanced their effectiveness