Pharm chapter 11

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Adjunct anesthetics

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Terms in this set (34)

Drugs used in combination with anesthetic drugs to control the adverse effects of an anesthetics or to help maintain the anesthetic state in the patient.

Anesthesia

The loss of the ability to feel pain resulting from the administration of an anesthetic drug.
- A state of depressed CNS activity
- 2 types
--- General anesthesia
--- Local anesthesia

Anesthetics

Drugs that depress the central nervous system or peripheral nerves to produce decreased or loss of consciousness, or muscle relaxation.

Anesthetics: Adverse effects

- Vary according to dosage and drug use.
- Sites primarily affected:
--- Heart, Peripheral circulation, Liver, Kidneys, Respiratory tract
- All halogenated anesthetics are capable of causing hepatotoxicity.
- Malignant Hyperthermia is uncommon, but potentially fatal, genetically linked adverse metabolic reaction to general anesthesia.

Anesthetics: Mechanism of action

- Varies according to drug
- Overall effect:
--- Orderly and systematic reduction of sensory and motor CNS functions.
--- Progressive depression of cerebral and spinal cord functions.