Hello, I'm an expert in the field of medical science and materials. Let's delve into the use of Krypton in medicine.

Krypton is a noble gas, which is found in very small amounts in the Earth's atmosphere. It is not very reactive due to its full electron shell, and this lack of reactivity makes it less useful in many medical applications where reactivity is needed for a compound to be effective. However, it does have some uses in the medical field, primarily in the area of imaging.

One of the primary uses of krypton is in the form of krypton-81m, a radioactive isotope. It is used in a medical imaging technique known as **Krypton Ventilation-Perfusion (V/Q) scanning**. This scan helps doctors to diagnose blood clots in the lungs by showing how well the lungs are ventilated and perfused with blood.

Another potential use is in the field of neonatology, where krypton could be used as an alternative to helium in cooling therapy for newborns with certain conditions. However, this is a less common application and not widely adopted.

It's important to note that the use of radioactive isotopes in medicine is highly regulated and requires careful handling due to the potential health risks associated with radiation exposure.

In summary, while krypton is not a widely used element in medicine, it does have specific applications in imaging and, to a lesser extent, in neonatal cooling therapy.

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A colorless, nonflammable and odorless gas. Non reactive. Uses: Krypton has some use in the lighting and electronic industry. A radioactive isotope of krypton, Kr85, is widely used in the medical field in heart shunt studies, and as a triggering agent in discharge type electronic tubes.read more >>