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Development of a Single Photon Emission Computed Tomography System
António Sousa Pereira; J J. P. de Lima; E. Alte da VeigaSinge Photon Emission. Computed Tomography is a powelful technique increasing lesion detection. Qualitative and quantitative data can be extracted from the tridimensional distribution of the radiopharmaceutical. However, SPECT images are affected by several physical factors that need to be minimised and compensated. (...)keywords: Medical imaging; nuclear medicine; tomographyPh.D., 1986more info: ...
Development of a ECG-Gated Equilibrium Angiocardiography System
José Alberto Rafael; J J. P. de Lima; E. Alte da VeigaThe equilibrium radionuclide angiocardiography is a powerful diagnosis technique for a non-invasive evaluation of the cardiac function. The red blood cellsare labelled using an intravenous injection of the radioactive tracer (99mTc). This method requires the use of a gamma camera and a data acquisition and processing system for the calculation of quantitative hemodynamic parameters describing the left vent...
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