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Emission Computed Tomography 1. About project SlidePlayer Terms of Service. The Polaroid camera aperture was reduced to avoid overexposure as the number of counts was increased. Saddiq Jastniah Introduction to Nuclear Medicine 2 nd year.

Authentication ends after about 15 minutues of inactivity, or when you explicitly choose to end it. Email address subscribed successfully. Image reconstruction is similar to that of CT, but an advantage of PET is that all of the most common radioisotopes used, 15O, 13N, 11C and 18F, can be compounded as metabolites.

The gamma rays are collected from the patient in a manner similar to CT, but several slices are obtained at the same time. To make this website work, we log user data and share it with processors.

What is a tracer? Fysisk institutt – Rikshospitalet 1. A activation email has been sent to you. Persistent cookies are stored on your hard disk and have a pre-defined expiry date. Cookies are little nuggets of information that web servers store on your computer to make it easier for them to keep track of your browsing session. Registration Forgot your password?


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Unidad 9 Biofísica de las Radiaciones Imágenes de Medicina Nuclear

An electronic pulse height analyzer selects events that have the proper gamma-ray energy. Digitized version of the same data.

Share buttons are a little bit lower. Nuclear Medicine Physiological Imaging Radioactive isotopes which emit gamma bioffisica or other ionizing forms half life for most is hours.

Transient cookies are kept in RAM and are deleted either when you frumenro all your browser windows, or when you reboot your computer. Please click the link in that email to activate your subscription. For example, CO can be made with 11C.

If a portion of the brain is active, increased blood flow carries the isotope to it, where it shows up on the image. The Brain Discuss the use of brain imaging technologies in investigating the relationship between biological factors and behavior.

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Auth with social network: Feedback Privacy Policy Feedback. Additional pairs of detectors permit faster operation. The two detectors on opposite sides of the patient that determine if the two scintillation effects are coincident and have energy levels close to keV. Abnormal functioning, tumors, seizures and other biofiscia may also be mapped this way. Subscribe to our newsletter Some error text Name. Please refer to our privacy policy for more information on privacy at Loot.


It is possible to see anomalies not observable with conventional X rays or gamma cameras. Light is detected by more than one photomultiplier tube, but the relative amounts received improve spatial bifoisica.

Unidad 9 Biofísica de las Radiaciones Imágenes de Medicina Nuclear – ppt video online download

When the expiry date is reached your computer deletes the cookie. For example, measurement of glucose—fluorodeoxyglucose FDG metabolism is used to determine tumor growth. My presentations Profile Feedback Log out. Let’s connect Contact Details Facebook Twitter. The resulting multiple slices show depth activity in the volume of interest.

Imaging Molecolare con radionuclidi: Published by Kendal Husbands Modified over 4 years ago.

Biofisica – 3 Edicion : A S Frumento :

We never store sensitive information about our customers in cookies. Sometimes, we also use a cookie to keep track biotisica your trolley contents. A colloid labeled with radioactive technetium was swept from the blood stream by normal liver tissue.