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Pharmacology for PT
Chapters 5, 6, 7, 8,9
7
Pharmacology
Graduate
05/02/2010

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Cards

Term
Benzodiazepines
Definition
Diazepam
Estazolam
Flurazepam
Quazepam
Triazolam
Flumazenil (competitive antagonist of benzo site.)
Term
Side Effects of Benzodiazepines
Definition
-Drowsiness and ataxia
-Residual "Hangover" effects.
-Paradoxical hostility or irritability and rebound anxiety if quickly discontinued.
-Anterograde Amnesia (esp. events following dosage.)

**Can reduce RR if COPD or.... w/other CNS depressants, such as Alcohol.
Term
Withdrawal effects of Benzodiazepines
Definition
Insomnia, irritability.

esp if used > 4 mo.
esp. if stopped suddenly.
Term
Diazepam
Definition
Anxiety, alcohol withdrawal, pre op sedation, mm spasm. (slow elimination)
Term
Quazepam
Definition
Anxiety, insomnia

(No residual sedation next day 40 hour half life!)
Term
Triazolam
Definition
Anxiety, insomnia

(decr sleep latency, and number of waking for insomnia)

Short acting ones reduce next day sedation
Term
Barbiturates
Definition
Cause generalized non specific CNS depression.
'--Enhances GABA activity and directly opens Cl- channel.

May also lead to inhibitory NT release.


Low Dose: Depress sensory f'cn... Anti convulsant, sedation w/o analgesia or drowsiness.


High Dose:

Depress motor function, then medually centers (circulation and respiration)
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