Abstract
There are important, subtle differences among the available calcium antagonists that may affect the choice in treating individual patients. First generation dihydropyridines are short-acting agents that include felodipine, isradipine, nifedipine, and nitrendipine. These rapid-acting vasodilators are powerful antihypertensive agents, but their fast onset of action results in marked vasodilation that causes reflex stimulation of the sympathetic nervous system and hemodynamic adverse effects that include increased heart rate, increased cardiac workload, and an increased incidence of heart failure in patients with left ventricular dysfunction. The short-acting formulations of dihydropyridines, verapamil, and diltiazem are no longer recommended.
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Khan, M.G. (2015). Calcium Antagonists (Calcium Channel Blockers). In: Cardiac Drug Therapy. Contemporary Cardiology. Humana Press, Totowa, NJ. https://doi.org/10.1007/978-1-61779-962-4_5
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DOI: https://doi.org/10.1007/978-1-61779-962-4_5
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