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However, an exercise stress test may provide more information about exercise tolerance than a pharmacologic stress test. [37] Commonly used agents include: Vasodilators acting as adenosine receptor agonists, such as adenosine itself, and dipyridamole (Persantine), [38] which acts indirectly at the receptor.
Dipyridamole (trademarked as Persantine and others) is an antiplatelet drug of the nucleoside transport inhibitor and PDE3 inhibitor class that inhibits blood clot formation when given chronically and causes blood vessel dilation when given at high doses over a short time.
Myocardial perfusion imaging or scanning (also referred to as MPI or MPS) is a nuclear medicine procedure that illustrates the function of the heart muscle (). [1]It evaluates many heart conditions, such as coronary artery disease (CAD), [2] hypertrophic cardiomyopathy and heart wall motion abnormalities.
The radioisotope thallium-201 (as the soluble chloride TlCl) is used in small amounts as an agent in a nuclear medicine scan, during one type of nuclear cardiac stress test. Soluble thallium salts (many of which are nearly tasteless) are highly toxic and they were historically used in rat poisons and insecticides. Because of their nonselective ...
2025 fitness trends are expected to include strength training, a holistic mind-body approach, more wearable tech, and AI-generated workouts, to name a few.
But they also use this information to stress test whether their current portfolios could withstand a major economic or financial shock to the system. Regulations requiring this sort of testing ...
he tales were scrubbed further and the Disney princesses -- frail yet occasionally headstrong, whenever the trait could be framed as appealing — were born. In 1937, . Walt Disney's "Snow White and the Seven Dwarves" was released to critical acclaim, paving the way for future on-screen adaptations of classic tales.
A thallium stress test is a form of scintigraphy, where the amount of thallium-201 detected in cardiac tissues correlates with tissue blood supply. Viable cardiac cells have normal Na + /K + ion exchange pumps. Thallium binds the K + pumps and is transported into the cells. Exercise or dipyridamole induces widening (vasodilation) of normal ...