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22 de abr. de 2019 · They are first-line agents for acute BP reduction in hemorrhagic stroke, but they are second-line agents for stroke prevention. Selective beta blockers obstruct access to beta-1 receptors...
Hace 5 días · Alpha- and beta-adrenoceptor-blocking agents are divided into primary subgroups on the basis of their receptor selectivity. All of these agents are pharmacologic antagonists or partial agonists and most are reversible and competitive in action.
Hace 18 horas · It also shows beta blocker-like and calcium channel blocker-like actions on the SA and AV nodes, increases the refractory period via sodium- and potassium-channel effects, and slows intra-cardiac conduction of the cardiac action potential, via sodium-channel effects.
Hace 18 horas · Despite the availability of various drugs for benign prostatic hyperplasia (BPH), alpha(α)-blockers are the preferred first-line treatment. However, there remains a scarcity of direct comparisons ...
Hace 4 días · Women develop angina at a later age than men and are less likely to have classic substernal pain. Drugs used in angina exploit two main strategies: reduction of oxygen demand and increase of oxygen delivery to the myocardium.
Hace 4 días · Over the counter alternatives to beta blockers like Propranolol, Metoprolol and Atenolol include GABA, L-Theanine, Magnesium, and natural anxiety and cognitive supplements. What are beta blockers?
Hace 3 días · Blocks stimulation of beta 1 (myocardial)–adrenergic receptors. Does not usually affect beta 2 (pulmonary, vascular, uterine) receptor sites. Therapeutic Effects: Decreased blood pressure and heart rate.
