Antianginal Drugs
ModeratePharmacology · CVS
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Angina pectoris is chest pain arising from a mismatch between myocardial oxygen demand and supply. Antianginal drugs restore this balance either by reducing demand (preload, afterload, heart rate, contractility) or by improving supply (coronary vasodilation, relief of vasospasm). The three pillars — organic nitrates, beta-blockers, and calcium channel blockers (CCBs) — plus newer metabolic and pacemaker-current modul…
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