Sacrum - AP

Radiographic Positioning

Adult

Other related pages of interest Applied Radiography Radiographic Anatomy Radiographic Protocols

Name of projection	Sacrum - AP
Area Covered	AP projection of the sacrum, SI joints and L5S1 junction
Pathology shown	Pathology of the sacrum
Radiographic Anatomy	Sacrum radiographic anatomy
IR Size & Orientation	24 x 30cm Landscape
Film / Screen Combination	Regular (CR and DR as recommended by manufacturer)
Bucky / Grid	Moving or Stationary Grid
Filter	No
Exposure	70 kVp 30 mAs
FFD / SID	100cm
Central Ray	CR angled cephalad 15° CR to enter midsagittal plane midway between symphysis pubis and ASIS
Collimation	Four sides of collimation Closely to area of interest (Sacrum)
Markers	Distal and Lateral Marker orientation AP
Shielding	Gonadal (check your department's policy guidelines)
Respiration	Suspended
Positioning	Patient supine on the table Cushion for patients head Legs extended with support under the knees Align midsagittal plane to CR and midline of table CR angled cephalad 15° CR to enter midsagittal plane midway between symphysis pubis and ASIS
Critique PACEMAN	Positioning Area Covered Collimation Exposure
Special Notes