Where should the central ray be directed for AC joints?
jugular notch with 40" SID
1" superior to jugular notch with 72"
jugular notch with 72" SID
1" superior to jugular notch with 40" SID
1" superior to jugular notch with 72"
Rationale: To include both joints on one image, the CR is directed 1" superior to the jugular notch and the SID must be set at 72".
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