Unilateral Posterior Ribs
Unilateral Posterior Ribs
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Unilateral Posterior Rib (AP). By using the Technique by Proportional Anatomy table, we know that a Unilateral Posterior Rib is equal to 3/4 of a Thoracic Spine.
We also know that a Thoracic Spine is the same as an AP Pelvis, which is 85kVp and 9mAs.
Since an AP Rib is 3/4 of this technique we will be using 85kVp at 6.75mAs (we rounded up to 7.10mAs because of consol settings). The resulting DI is -0.3.
BREAKDOWN
BREAKDOWN
Technique by Proportional Anatomy states:
Technique by Proportional Anatomy states:
Unilateral Posterior Rib = 3/4 Thoracic Spine
Thoracic Spine = AP Pelvis
Techniques Used and Resulting DI:
Techniques Used and Resulting DI:
Referenced Technique: AP Pelvis = 85kVp 9mAs DI: -0.1
Final Attempt #1: Uni. Post. Rib = 85kVp 6.75mAs DI: -0.3
Begin with an optimal technique for an AP Pelvis.
Use optimal technique for AP Pelvis for T-Spine.
Solve for 3/4 of a T-Spine for Uni. Post. Rib.
Shoot first attempt (Result: in range: -0.3)
85kVp @ 9mAs
85kVp @ 9mAs
3/4 of 9mAs = 6.75mAs (7.10mAs)
85kVp @ 9mAs
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