RF 1
How many sterilization cycles are Stryker electrodes rated for?
520
If a physician is using venom needle and electrode but wanted to do a standard lesion, what is the easiest solution?
a. Pull electrode out, turn 180 degrees and reinsert
b. Align with straight line of gun sights on needle
Name all distinguishing factors of a 100mm venom probe from a 100mm standard probe
Venom - white chord, red hub, V for venom
Standard - black chord, red heb, no V
What does the grounding pad look like, and what is it's purpose? Can you use a 3rd party grounding pad?
White dual prong white pad
Closes the circuit so the MG2 can read impedence
What is the recommended voltage range for RF sensory testing?
1V or less
Name all electrode lengths and corresponding colors.
Name all needle lengths and corresponding colors
a. Blue 50mm
b. Red 100mm
c. Yellow 150mm
d. Green 200mm
e. Venom comes in 100 (red) and 150 (yellow)
This is the tolerance of pedicle size in relation to spinejack diameter
What is ...
.8mm
Where does the grounding pad go for
L5 RFA
T10
C1-2 RFA
L5, lower back thigh or calf of contralateral side
T10, upper back thigh
C1-2, lower flank of contralateral side
When conducting motor testing, what should you not see with the patient?
Movement in the patient's limbs
If a MG2 channel is reading an impedance level of 100ohms, what might that suggest?
Near fatty tissue, low impedence
These are the 3 names for the instrument used to gain access into the vertebrae
What is...
Access Cannula
Trocar
Jamshidi
What gauges does IVAS elite come in?
How many total watts of power are most competitive RF generators vs how many watts does ours have?
Most have 50, ours has 100 (25 per channel)
Why might a physician skip sensory testing and go right to motor testing?
Speed of procedure or confidence in needle placement
You notice on the whiteboard before the case that the patient has a shellfish allergy, no you know you need have a conversation about what ___ you are going to use. ____ based is what you need.
Contrast
Barium
iodine/shellfish allergies require barium based contrast
General Anesthesia (fully out) has to be anesthesiologist
Moderate sedation (MAC) nurse
Local anesthetic - nurse
Describe how a bi-polar lesion is formed differently than a monopolar lesion and where you should put the grounding pad and why
When 2 needles/electrodes complete circuit between themselves
Grounding pad is not needed
A patient is experiencing pain during an RFA procedure, what do you do?
Pain will subside after 10-15 seconds
If pain is too great, stop lesion, and either give patient more sedation or inject more local
____, and ____, are the two main types of contrast that you will see used in our cases
Omnipaque
Isovue
What is the main difference between lidocaine and bupivacaine
Lidocaine works quicker but doesn't provide as long of relief
bupivacaine takes longer to start working but lasts longer