Ions

Definition

An ion is an atom or group of atoms that has an electric charge. Ions with a positive charge are called cations. Ions with a negative charge are called anions.

Ions can be created using radiation such as x-rays. Ionizing radiation is often used for diagnostic or therapeutic procedures, since the ions that are produced can be used to scan for or treat some diseases.

Related topics:

• Adrenal medullary imaging
• Bone scan
• Gall bladder radionuclide scan
• Gallium (ga.) scan
• Isotope study
• Liver scan
• Lung gallium (ga.) scan
• Nuclear ventriculography (MUGA or RNV)
• Pulmonary ventilation/perfusion scan
• Radioactive iodine uptake
• Radionuclide cystogram
• Renal venogram
• RHISA scan
• Thyroid scan
• WBC (nuclear) scan

Page Content:

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