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Information Regarding Radionuclide Scintigraphy
What is RI Examination? This exam utilizes a radioactive substance called a"Radio-Isotope". It is a material, which emanates itself, and the radioactive item decreases its volume with the lapse of time. Features of RI exam: 1. It can confirm the shape, size and functions of your internal organs. 2. You feel no pain at all on this exam. 3. No side effects.


You don't have to worry about the radioactive influence. Radioactive rays (gamma rays) generated by Radio Pharmaceutical (RP) is extremely low and they are decreased with the lapse of time. They are only collected temporarily in your internal organs to be examined and then discharged with urination or evacuating the bowels. The radiation volume that you receive during examining is of the same level as an X-ray for your chest or bones.


1. You are administered a Radio-Pharmaceutical (RP), Radioactive Medicine through ingestion,　injection or inhalation depending on which type medicine or internal organ is to be examined. Depending on which type test is administered pretreatment may be required.

2. The RP collects in your internal organ to be examined. The times required for the exam will differ depending on the nature of the medicine. Therefore, you might be kept waiting until the exam starts.		4. Gamma rays are collected in the internal organ to be examined are taken in a picture. In most cases, you just lie down on your bed.

	3. RP emits radiation (gamma rays) similar to X-rays.


Your exam is for: □ Brain □ Thyroid Gland □ Lung □Heart □ Liver □ Renography □ Myocardium □ Bone □ Kidney □ Gallium □ 　 Until the day of your exam: □ No restrictions apply. Continue normal routine. □ Please follow our instructions and notices. 　 You will be dosed with medicine, radio-pharmaceutical by: □ Injection, a shot. □ Ingestion, Taking capsules, etc. □ Inhalation, Inhaling together with oxygen. 　 The exam starts when you are dosed with the medicine: ◇ Exam will begin (______________) after you are medicated. Spend the time, as you like until the exam starts. If any instructions are given to you prior to the exam, please follow them.

Start of exam: The time required for exam is about (________________). 　 In the laboratory: Please take your shoes off and wear slippers provided. □Keep quite. □Drink water when given by examiner . □Exercise as instructed by examiner . □Change your cloths. 　 During the exam: The exam will be conducted: □ Lying □ Sitting □ Standing

The importance of being on time for the appointment/exam: Radio-Pharmaceuticals (RP) used for this exam decreases in efficacy with the lapse of time. So, it can not be kept for many hours. We must order and procure it when your exam is scheduled. Therefore, you have to be punctual for your appointment and the exam. Please let us know well in advance when you need to cancel or reschedule this exam.
Mini-Information: In Radio-Isotopic (RI) exam, there is another type of examining method; i.e. blood or urine taken from a patient is analyzed by adding radio-isotope to it.
The end of exam:

The exam is over. Thank you for your cooperation.
Please consult your (family) doctor before taking this test if you are pregnant or breast feeding your baby.
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