LA Contraindications
What type of disease results in a lower MRD for vasoconstrictor and can also result in relative contraindictions for LA?
Cardiovascular disease
what is prolonged anesthesia for several hours post op called?
parathesia
The regular ebb and flow movement of breathing is known as:
Tidal flow
When is a pulse oximeter mandated to be used?
Moderate sedation (greater than 50% n2o)
What percentage of the population is allergic to the vasoconstrictor epinephrine?
Zero
What is the immediate treatment in the office for a hematoma?
Pressure then ice
Where is most N2O eliminated from the body?
Lungs
We are setting our adult patient’s tidal volume (TV). What is the average TV we should start at?
6L/min
Which component of the LA cartridge is most likely to be the cause if your patient has an allergic reaction?
Sodium bisulfite (preservative)
What is the reason for most cases of post-injection infection?
improper handling
What does the term blood-gas partition mean?
time to cross pulmonary membrane to blood
How does nitrous oxide effect the central nervous system (CNS)?
depresses it
According to the Food and Drug Administration, which of the following local anesthetic is safe to use on a pregnant woman if anesthetic must be used.
Lidocaine, Mepiviane, bupivicaine, procaine
Lidocaine
You just gave your patient several cartridges of lidocaine with vasoconstrictor. Your patient’s blood pressure and heart rate elevate sharply, your patient becomes anxious, tense, restless, and complains of a throbbing headache. What is more than likely happening to your patient?
epi overdose
What is the blood-gas partition coefficient for N2O?
0.47
Your patient in clinic is on N2O/O2 sedation. The patient becomes fidgety, restless, his speech becomes slurred and his eyes close. What is more than likely happening to your patient?
Oversedation
Why shouldn't you use Bupivicaine on an pregnant patient?
can cause fetal bradycardia
What is the most common cause of needle breakage?
Operator bending the needle
What deficiency is common to nitrous oxide abusers?
B12
What are the effects of nitrous oxide/oxygen sedation on the cardiovascular system?
No negative, extra o2 may help