Anesthesia Flashcards
What level of anesthesia is considered surgical anesthesia?
Level 3
There are 4 reflexes progressively lost in level 3 surgical anesthesia. The third reflex lost in the progression is?
thoracic muscular
Anesthesiologist mentions that he is administering Reglan. What is this for?
Reglan (Metoclopramide) - reduce gastric motility
Pediatric hypoglycemia is very dangerous. Pediatric patients have limited amount of glycogen stores and therefore what fluid should always be running in their IV?
D5W
What are the effects of low serum Ca2+ on the EKG?
wide QRS complex
What effect does Ketamine have on a patient?
amnesia only
Fentanyl is used as what?
narcotic analgesic
What is the first symptom of malignant hyperthermia?
tachycardia
what drug has largely replaced sodium pentothal?
propofol (Dipriva)
what is the mechanism of breakdown of amides and esters?
esters are hydrolyzed by pseudocholinesterase in the blood; amides are metabolized in the liver
what is the treatment for convulsions?
valium
describe a Mayo block.
local “ring” block of the 1st MPJ
describe MAC anesthesia.
IV sedation with a local anesthesia block
what is the mechanism for local anesthesia in how it provides pain relief?
blocks Na+ conduction across the mb, which prevents depolarization and causes inhibition of nerve conduction
what is the treatment for shock?
fluids
ABC’s
monitor vitals
What is the ASA classification for a healthy patient?
ASA class 1
what complications are associated with tourniquet use?
tissue necrosis inflammation paralysis thrombosis circulatory volume overload
what are some complications of endotracheal intubation?
sore throat tracheal edema croup laceration pneumothorax
what is a contraindication to tourniquet use?
- previous popliteal- dorsalis pedis bypass grafting
2. sickle cell dz- bc tourniquet causes low O2 tension which would cause cells to sickle
when positioning a patient in the prone position during general anesthesia, what is the most common complication?
pressure on the orbit as well as teh dorsum of the foot
when positioning a patient in the SUPINE position during general anesthesia, what is the most common complication?
ulnar nerve neuropathy
during spinal anesthesia, where is the anesthetic placed in the lumbar area of the spine?
subarachnoid space, deep to the dura
complications of spinal anesthesia?
headache
hypotension
cauda equina syndrome
infection
what is the most common cause of elevated temperature intraoperatively?
malignant hyperthermia
what medication is used to treat malignant hyperthermia?
dantrolene- IV
what type of allergic reaction is anaphylaxis?
type I- antibody mediated hypersensitivity rxn, seen immediately
what are early signs of anaphylaxis?
flush, difficulty breathing, wheezing, stridor, laryngeal edema