Xenon-133

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Xenon-133
General
Name, symbol Xenon-133,133Xe
Neutrons 79
Protons 54
Nuclide data
Half-life 5.243 d
Decay products 133Cs
Decay mode Decay energy
Beta

Xenon 133 (brand name Xeneisol) is an isotope of Xenon. It is a radionuclide that is inhaled to assess pulmonary function, and to image the lungs. It is also often used to image blood flow, particularly in the brain.