Knee - Intercondylar (PA Axial) (Holmblad)

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Name of projection	Knee - Intercondylar (PA Axial) (Holmblad)
Area Covered	Intercondylar fossa, femoral condyles, tibial plateus and intercondylar eminence
Pathology shown	Bony or cartilaginous pathology, osteochondral defects and joint space narrowing
Radiographic Anatomy	Knee Radiographic Anatomy
IR Size & Orientation	18 x 24cm Landscape
Film / Screen Combination	Detail (CR and DR as recommended by manufacturer)
Bucky / Grid	No
Filter	No
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)
Respiration	Not 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 PACEMAN	Positioning Area Covered Collimation Exposure
Special Notes

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