| Popis: |
Among the various radiopharmaceuticals which serve as a measure of “in vivo” metabolism, there exist two noble radioactive gases, Xe133 and Kr81m which fulfil the most of the requirements to examine lung dysfunction. Of course, these two radionuclides can not entirely substitute the vital behaviour of the short lived positron emitters as 015, N13 and C11. But Xe/Kr-ventilation examinations do not need sophisticated systems for radionuclide production such as cyclotrons sited close to the patient. Only a γ-camera, a spirometer and a suitable free programmable, interactive computer system are necessary. |
