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Gastrointestinal Bleeding Study
Patient Preparation
None. Patient should not have had any recent barium studies.
Exam Procedure
A sample of blood will be taken from a vein in the patient's arm, and will be labeled with a radioactive tracer. Approximately 30 minutes later, the blood will be re-injected into the patient's vein. Imaging begins immediately following injection and will take at least 90 minutes, additional delayed images may be needed.
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