SPECT Tutorial Summarization
SPECT Tutorial Summarization
individual(a) Photon Emission Computed Tomography (SPECT) enables a doctor to view his/her patients specific organ or body system. To avail this, internal radiation is administered either by injecting it to the patient or by making the patient inhale it. Consequently, administering a radioactive isotope in the patient decays results to the emission of gamma rays which in rick are detected by the Gamma tv camera to commit a picture of what is happening in the patients body.
The gamma camera collects gamma rays emitted from the patients body, which makes it feasible to reconstruct an mountain range of where the gamma ray originated from. The gamma camera is made up of a collimator, demodulator crystal, photomultiplier tube array, cast logic circuit, and a data analysis computer. The camera collimator is calm of a pattern of holes through a gamma ray-absorbing corporal (usually lead or tungsten) that allows the projection of the gamma ray image onto the detector crystal. (SPECT Tutorial) Additionally, the collimator allows the gamma rays to reach the detector to check into that the detector accurately depicts the originating location of the gamma ray.
Meanwhile, the scintillation detector is a thallium-activated sodium iodide detector crystal with optimal sensing efficiency for the gamma ray which interacts with the detector by gist of photoelectric effect. The detector crystal may be fixture or rectangular, and typically 3/8 thick and to the highest degree 30-50cm. A gamma ray photon interacts with the detector by actor of the photoelectric effect or Compton scattering with the iodide ions of the crystal. This interaction therefore causes the release of electrons which in turn interact with the crystal wicket to produce light during the scintillation process. (SPECT Tutorial)
The photomultiplier tube (PMT) is a photocathode which, when stimulated...If you call for to get a full essay, order it on our website: Ordercustompaper.com
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