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  / speedpharmacology  

Adrenergic antagonists are a group of drugs that inhibit the function of adrenergic receptors.
Alpha and beta receptor blockers allow blood to flow more easily thereby lowering blood pressure and the heart rate, which makes these drugs useful in treatment of cardiovascular diseases (e.g. hypertension, congestive heart failure, arrhythmias, and angina). This pharmacology lecture covers topics such as location and function of alpha and beta adrenergic receptors, mechanism of action of adrenergic antagonists: alpha selective blockers, alpha nonselective blockers, beta selective blockers, beta nonselective blockers, first, second and third generation beta blockers. Adrenergic antagonists mentioned include: Phentolamine, Phenoxybenzamine, Prazosin, Doxazosin, Terazosin, Tamsulosin, Alfuzosin, Silodosin, Yohimbine, Propranolol, Pindolol, Nadolol, Sotalol, Timolol, Atenolol, Acebutolol, Bisoprolol, Esmolol, Metoprolol, Carvedilol, Labetalol, Nebivolol, Betaxolol.

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0:00 Intro
0:37 Alpha blockers
5:14 Beta blockers