Sacroiliac injection Flashcards
1
Q
What size needle should be used?
A
25-23 gauge, 3.5 inch needle
2
Q
Which transducer should be used?
A
High-frequency curvilnear array
3
Q
Where is the SI joint most accessible to injection?
A
Caudal pole
4
Q
Where can the SI joint be best visualized?
A
using a curvilinear probe placed over the posterior superior iliac crest
5
Q
Where can the S1 foramen be visualized?
A
Medial to the cleft of the upper portion of the SIJ
6
Q
How much steroid and local anesthetic should be used?
A
1 mL steroid and 1 mL local anesthetic
7
Q
How should the patient be positioned for injection?
A
Prone w/ pillow under pelvis to create hip flexion
8
Q
Describe the transducer position for injection
A
Anatomic axial plane over PSIS then distally over caudal 1/3 of SIJ
