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SOMI Chapter 9
SI joints
Question | Answer |
---|---|
What is the kVp range for an AP axial SI joint projection? | 85 +/-5 kVp |
What is the CR angle for the AP axial SI joint projection? | 30 - 35 degree typically 30 degrees for males and 35 degrees for females |
Where is the CR directed for the AP axial SI joint? | 2" below level of the ASIS |
The axial SI joint projection can be done Pa with what angle? | 30 - 35 degree caudal |
The PA axial SI joint projection would be centered where? | level of L4 or slightly above the iliac crest |
What is the kVp range for the posterior obliques of the SI joints? | 85 +/-5 kVp |
What side are you looking at in a posterior oblique of the SI joint? | upside joint |
What is the degree of body rotation for the posterior obliques of the SI joints? | 25 - 30 degrees |
Where is the CR directed in a SI joint posterior oblique? | 1" medial to the upside ASIS |