What are 3 side effects to worry about with analgesics?
1. Sedative effect - Mental slowness/drowsiness
i. Shouldn't drive
ii. Operate heavy machinery
iii. Patients who think they are fine
2. Decreased respiration - potentially lethal
i. CNS depressants - stop breathing
3. GI complaints
i. Constipation (slowed motility)
ii. Nauseous - vomiting
What are 5 examples of withdraw from analgesics?
Aches of Body
What is given 1-2 hours before surgery to calm you before they take you into the OR? Why is it given?
prevent you from throwing up (minimize vomiting)
What may an antiemetic drug include?
1.) Benzodiazepine - often continued after surgery
2.) opiod analgesic (continued thru surgery) - often continued after surgery
4.) Antacid - Prevent stomach acid from being aspirated into the lungs during surgery
What is a short acting anesthetic given for short procedures in low doses; you get "conscious sedation" - used for orthopedic procedures?
Propofol - "Diprovan"
What does "conscious sedation" mean?
- Breathe independently
- Respond to commands
- Supposedly decreased awareness/anxiety level
- w/o analgesics you have no pain control
- You won't remember
What is an intermediate acting local anesthetic b/c it only lasts about 1-2 hours?
What is a long lasting b/c it lasts about 8-10 hours?
What information do you block with a anesthetic?
selectively block conduction of (pain) small diameter myelinated (AD) and non-myelinated axons (C)
-Higher dose can block motor, too
What are possible side effects of local anesthetics?
Side effects are rare, but if too much in system can see CNS effects (inhibitory and stimulatory)
- Convulsions (severe)