Clinical indication:

LBA, fracture stability

Region:

Sacrum, L5/S1 junction

Patient’s Position:

Patient is supine on the xray table

Place a pillow for patient’s head

Extend the legs by supporting patient’s knee

Align the mid sagittal plane to midline of table

Cassette:

Size: 10’’x12’’ Orientation: Landscape

FFD/SID:

100cm

Central ray:

Central ray is towards the midway between symphysis pubis and ASIS

Central ray is angled 15° cephaled

Grid:

Yes

Respiration:

Not related

Exposure factors:

70-80kVp 30-40mAs

Collimation:

All sides of collimation closely to include sacrum (region of interest)