Exam 2 Flashcards
Stage 1: Analgesia
Loss of pain, still conscious
Stage 2: Excitement
Unconscious, delirious activity
Stage 3: Anesthesia
Unconscious, skeletal muscle relaxation
Stage 4: Paralysis
Breathing stops, lethal without life support
Benzodiazepines use
Anxiety/sedation
Opioids use
Pain
H2 receptor antagonists use
Reduce stomach acidity so when people are laying flat the esophagus doesn’t corrode
Anti-emetics use
Prevent nausea/vomiting
Anticholinergics
Create a dry mouth so people don’t aspirate saliva
Three purposes of General anesthesia
Analgesia, amnesia, and muscle relaxation
Analgesia
Lack of pain
Amnesia
Lack of memory
Skeletal muscle relaxation
Lack of movement
Medication for inhaled anesthetics
End in -flurane
Names of common general anesthetics
Propofol, midazolam, etomidate, fentanyl
Mechanism of action of general anesthetics
Block sodium channels to prevent neurotransmitter conduction
Adverse effects of anesthetics
- drowsiness, weakness, fatigue, incoordination
- shivering, muscle pain, nausea/vomiting, sore throat
- malignant hyperthermia
General anesthesia
Complex procedures, entire body
Regional anesthesia
Large part of body
Local anesthesia
Small part of body
Local anesthetics name
Esters or amide
-end in -caine
Adverse effects of amide anesthetics
Few allergic reactions
CNS: slurred speech, tremors seizures
Cardiac: low blood pressure/heart rate, arrhythmias, arrest
Different locations local anesthetic is used
Topical, infiltration, field block, spinal, epidural
Topical
Placing on skin for skin numbing
Infiltration
Injection in area of pain or operation