Anesthesia

Question 1

General

Answer 1

Intravenous

Propofol & ketamine

Loss of consciousness and cessation of painful stimuli

May be reversed quickly

Once stopped pt on propofol will awake w/in 5 min

Question 2

Benzodiazepines

Answer 2

Alprazolam, lorazepam, diazepam, & midazolam

Anxiety disorders alcohol withdrawal seizures agitation preoperative relief

Act in limbic system to make GABA more effective

Question 3

Adverse effects of benzodiazepines

Answer 3

Sedation drowsiness depression lethargic blurred vision sleep driving headaches lightheadedness amnesia confusion

Mild paradox sought excitatory reaction may occur during the first two weeks

At risk for falls or other injuries related to sedative effects

Question 4

Benzodiazepine antagonist

Answer 4

Flumazenil

Used for overdose or to reverse sedation with medication’s (like midazolam) are used during procedures

Question 5

Nitrous oxide

Answer 5

Inhale gas to use for anesthesia

Hi affinity for fatty tissue and is Lipo feel like including the lipid membrane of the nerves in the CNS

Gas passes quickly into the brain and causes severe CNS depression

One patient is in stage three of anesthesia the anesthesiologist regulates the amount of gas that is delivered to insure patients unconsciousness but not enough to cause severe CNS depression

Moves quickly in and out of body

Reversed by administration of oxygen or encouraging patient to breathe deeply

Question 6

Local anesthetic

Answer 6

Lidocaine

Local area of tissue needs

Dental work, skin biopsies, sutures