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Regadenoson, sold under the brand name Lexiscan among others, is an A 2A adenosine receptor agonist that is a coronary vasodilator that is commonly used in pharmacologic stress testing. It produces hyperemia quickly and maintains it for a duration that is useful for radionuclide myocardial perfusion imaging . [ 1 ]
Master's two-step test [7] was often used, but it was too strenuous for many patients, and inadequate for the assessment of respiratory and circulatory function during varying amounts of exercise. To address these problems, Bruce and his colleagues began to develop a cardiac stress test .
Variety of microbiological samples. A laboratory specimen is sometimes a biological specimen of a medical patient's tissue, fluids, or other samples used for laboratory analysis to assist in differential diagnosis or staging of a disease process.
An Operative report is a report written in a patient's medical record to document the details of a surgery. [1] The operative report is dictated right after a surgical procedure and later transcribed into the patient's record.
doPDF is a Portable Document Format (PDF) printer developed by Softland, that allows any program that can print to create a PDF file. The resolution of the created PDF files can be set manually or done automatically. [4] [5] doPDF is freeware which displays advertisements.
A rectilinear scanner is an imaging device, used to capture emission from radiopharmaceuticals in nuclear medicine.The image is created by physically moving a radiation detector over the surface of a radioactive patient.
Group 4 compression is available in many proprietary image file formats as well as standardized formats such as TIFF, CALS, CIT (Intergraph Raster Type 24) and the PDF document format. G4 offers a small improvement over G3-2D by removing the end-of-line (EOL) codes. G3 and G4 compression both treat an image as a series of horizontal black ...