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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 ]
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Before the development of the Bruce protocol there was no safe, standardized protocol that could be used to monitor cardiac function in exercising patients. 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 ...
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.
Pharmacologic agents such as adenosine, regadenoson (Lexiscan), or dipyridamole is generally used when a patient cannot achieve adequate work level with treadmill exercise, or has poorly controlled hypertension or left bundle branch block. However, an exercise stress test may provide more information about exercise tolerance than a ...
STEP (Standard Template for Electronic Publishing) is a standard file format used to distribute Biblical software from various publishers. STEP was conceived in 1995 [ 1 ] by Craig Rairdin of Parsons Technology and Jim VanDuzer of Loizeaux Brothers Publishers.
From the outset, the blueprint was designed to be seen from the customer's perspective while simultaneously providing insights for management. Accordingly, the starting point should be to imagine the customer's step-by-step contact points, indicating, where known, customer's expectations in terms of minimum tolerable waiting times for each step.
] Marks are awarded for each step in the method; hence, it is essential to dissect the method into its individual steps, learn the steps, and then learn to perform the steps in a sequence. Most hospitals and universities have clinical skills labs where students have the opportunity to practice clinical skills such as taking blood or mobilizing ...