etomidate (Amidate)
ketamine (Ketalar)
methohexital (Brevital)*
propofol (Ciprivan)*
thiamylal (Surital)
thiopental (Pentothal)*
* may also be used as adjunctive drugs at lower dosages
Inhaled anesthetics
volatile liquids or gases that are vaporized in O2 and inhaled
Adverse effects (AEs) of anesthetics
-vary btwn different drugs
-esp watch for Malignant hyperthermia- idiopathic
Nerve block
type of local anesthetic injected diretly into the nerve area (Dental work)
General anesthesia
type of anesthetics that affects entire body (puts you to sleep)
Nerve block anesthesia
-can cause problems if too high concentration in body
-injected directly into or around the nerve trunks of nerve ganglia that supply the target area
Succinylcholine
NMBA- depolarizing drug
malignant hyperthermia- idiopathic
a severe AE of anesthetics that:
-occurs during or after general anesthesia
-sudden elevation in body temp over 104 F
-tachypnea, tachycardia, muscle rigidity
-life-threatening emergency
sequential effects of NMBAs
-muscle weakness initially followed by total flaccid paralysis
-small, rapidly moving muscles 1st affected
-then larger muscles
-finally intercostal muscles and diaphragm are affected resulting in cessation of respiration
effects of anesthetics
-depression of consciousness
-loss of responsiveness
-muscle relaxation