si joints

what SID is used for the AP axial SI joints?

40

how should the patient be positioned for the AP axial SI joints?

supine

how should the legs be positioned for the AP axial SI joints?

extended with support under knees

where is the CR directed for the AP axial SI joints?

30 degrees cephalad for males, 35 cephalad for females, level of MSP, midway between level of ASIS and symphysis pubis

what do you collimate for the AP axial SI joints?

10 × 12 landscape to area of interest

what should the patient do with their breathing for the AP axial SI joints?

suspend respiration

what kVp range is used for the AP axial SI joints?

80-95

which joint should be centered to the collimation field for the AP axial SI joints?

sacroiliac joint

which joint and junction should be open for the AP axial SI joints?

sacroiliac joint and L5-S1 junction

how should the patient be positioned for the posterior oblique right SI joint?

affected side elevated 25-30 degrees, left posterior oblique

how should the patient be positioned for the posterior oblique left SI joint?

affected side elevated 25-30 degrees, right posterior oblique

where is the CR directed for the posterior oblique SI joints?

perpendicular, 1 inch medial to upside ASIS

what do you collimate for the posterior oblique SI joints?

10 × 12 portrait to area of interest

what should the patient do with their breathing for the posterior oblique SI joints?

suspend respiration

what kVp range is used for the posterior oblique SI joints?

80-95

what should be demonstrated at the sacroiliac joint for the posterior oblique SI joints?

should appear open

what should be demonstrated at the ala of ilium and sacrum for the posterior oblique SI joints?

no overlap