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Patient Information
| Exam preparation |
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This is a functional test. Your cooperation with the preparation is very important. |
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You must be off the following interfering medications for the defined periods:
- PTU or Tapazol: 1 week
- Seaweed tablets (kelp) or multiple vitamins that contain iodine: 2 weeks
- Cytomel or Amiodarone (cardiac medication): 2 weeks
- Synthroid or Levothroid: 3 weeks
- Desiccated thyroid or L-thyroxine: 6 weeks
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You must not have an exam with contrast in the time intervals below:
- IVP, gallbladder, angiogram, arteriogram or CT: 2 weeks
- Myelogram with Metrizamide: 2 weeks
- Myelogram with Pantopaque: 2 years
- Bronchogram: 1 year
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You are allowed clear liquids only on the morning of your first day. You can have a normal diet 2 hours after you get your radioactive capsule. |
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To perform this exam, we must give you a small amount of radioactive materials.
Tell your doctor if you might be pregnant, if you are pregnant, or if you are a nursing mother. |
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