Knee - Intercondylar (PA Axial) (Holmblad)This is a featured page

Radiographic Positioning


Adult
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Name of projection Knee - Intercondylar (PA Axial) (Holmblad)
Area Covered Intercondylar fossa, femoral condyles, tibial plateus and intercondylar eminence
Pathology shownBony or cartilaginous pathology, osteochondral defects and joint space narrowing
Radiographic AnatomyKnee Radiographic Anatomy
IR Size & Orientation 18 x 24cm
Landscape
Film / Screen Combination Detail
(CR and DR as recommended by manufacturer)
Bucky / Grid No
FilterNo
Exposure 60 kVp
8 mAs
FFD / SID 100cm
Central Ray CR perpendicular to lower leg
Directed to popliteal fossa
Collimation Collimate to knee joint on four sides
Markers Distal and Lateral
Marker orientation PA
Shielding Gonadal (check your department's policy guidelines)
RespirationNot applicable
Positioning
  • Patient kneeling on all fours on the X-ray table
  • Place IR under affected knee and centre to popliteal crease
  • Ask patient to support body weight primarily on opposite knee
  • Place padded support under ankle and leg of affected limb to reduce pressure on injured knee
  • Ask patient to slowly lean foward 20° to 30° and hold that position (results in 60° to 70° knee flexion)
  • CR perpendicular to lower leg, directed to the popliteal fossa
Critique

Positioning
Area Covered
Collimation
Exposure
Special Notes



AndyC
AndyC 		Latest page update: made by AndyC , Jun 18 2011, 2:30 PM EDT (about this update About This Update AndyC Edited by AndyC

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