A portable chest radiograph is obtained on a recumbent patient using 86kVp and 1.6 mAs, @ 44” SID. You are asked to repeat the exposure with the patient in an erect position. If you are able to obtain an SID of 68”, what new technique would be required?
A portable chest radiograph is obtained on a recumbent patient using 86kVp and 1.6 mAs, @ 44” SID. You are asked to repeat the exposure with the patient in an erect position. If you are able to obtain an SID of 68”, what new technique would be required?
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A portable chest radiograph is obtained on a recumbent patient using 86kVp and 1.6 mAs, @ 44” SID. You are asked to repeat the exposure with the patient in an erect position. If you are able to obtain an SID of 68”, what new technique would be required?
4. An acceptable image was created using 75kVP 22mAs at 40”SID on a patient with a broken hip. A traction device was installed on the bed and a follow up image was ordered. The Traction bar required made it impossible to obtain a 40”SID. A 60” SID must be used, what mAs should be used to compensate for the SID change?
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