Lower Limb Comp Monday

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Minimum SID—

40 inches
IR size—
- (10 × 12 inches),
- lengthwise
Kvp Range

Digital systems—60 to 70 kV range
Patient Position

Place patient in the supine position; place pillow under patient’s head; legs should be fully extended.
Part Position
- Do not force dorsiflexion of the foot; allow it to remain in its natural position
- • Adjust the foot and ankle for a true AP projection.
- Ensure that the entire lower leg is not rotated. The intermalleolar line should not be parallel to IR
CR

• CR perpendicular to IR, directed to a point midway between malleoli
Recommended Collimation

Collimate to lateral skin margins; include proximal one-half of metatarsals and distal tibia-fibula
Anatomy Demonstrated:

• Distal one-third of tibia-fibula, lateral and medial malleoli, and talus and proximal half of metatarsals should be demonstrated.