meaning of beta-adrenergic blocking agents
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- Noun. 1. beta-adrenergic blocking agent-any of various drugs used in treating hypertension or arrhythmia; decreases force and rate of heart contractions by blocking beta-adrenergic receptors of the autonomic nervous system. beta blocker, beta-adrenergic blocker, beta-blocking agent.
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- Beta blockers ( also β-blockers , beta-adrenergic blocking agents , beta antagonists , beta-adrenergic antagonists , beta-adrenoreceptor antagonists , or beta adrenergic receptor antagonists ) are a class of drugs that are particularly used to manage cardiac arrhythmias , and to protect the heart from a second heart attack ( myocardial infarction ) ...
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- The objective of this article is to focus on the antihypertensive agents blocking adrenergic receptors, both alpha and beta blockers, and attempt to construct potential explanations for their effects on lipids in a mechanistic manner.echanisms of action of adrenergic receptor blockers on lipids during antihypertensive drug treatment.
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BETA-ADRENERGIC BLOCKING AGENT • BETA-ADRENERGIC BLOCKING AGENT (noun). The noun BETA-ADRENERGIC BLOCKING AGENT has 1 sense: 1. any of various drugs used in treating hypertension or arrhythmia; decreases force and rate of heart contractions by blocking beta-adrenergic receptors of the autonomic nervous system. Familiarity information: BETA-ADRENERGIC BLOCKING AGENT used as a noun is very rare. Dictionary entry details.
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Among Taking Aspirin, Beta Blockers, Cholesterol-Lowering 'Statin' Drug Beta blockers, also known as beta-adrenergic blocking agents, are medications that reduce your blood pressure. Beta blockers work by blocking the effects of the hormone epinephrine, also known as adrenaline.When you take beta blockers, the heart beats more slowly and with less force, thereby reducing blood pressure.xamples of beta blockers. Some beta blockers mainly affect your heart, while others affect both your heart and your blood vessels. Which one is best for you depends on your health and the condition being treated. Examples of beta blockers include: 1  Acebutolol (Sectral).
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Resurrection Plant Font Size. A. A. A. Beta-blockers are drugs used to treat high blood pressure. They block the effects of the sympathetic nervous system on the heart. This reduces the work of the heart so that it requires less blood and oxygen. As a result, the heart doesn't have to work as hard, which in turn lowers blood pressure.
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- When beta blockers are used in patients with heart failure, they should be considered disease-modifying agents rather than “rescue” agents. Their utility lies in blocking the neurohormonal cascade that leads to progression of the disease, not in providing immediate symptomatic relief.nless contraindicated, beta blockers should be considered a mainstay of therapy in these patients to improve symptoms and mortality and to decrease hospitalizations. None of the trials described in this article tested the use of beta blockers in patients with NYHA class I disease.
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- (Also known as Beta-Adrenergic Blocking Agents). Commonly prescribed include: 1  Acebutolol (Sectral). 2  Atenolol (Tenormin). 3  Betaxolol (Kerlone). 4  Bisoprolol/hydrochlorothiazide (Ziac). 5  Bisoprolol (Zebeta).
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Alpha-Adrenoceptor Antagonists (Alpha-Blockers) Alpha-blockers, especially α 1 -adrenoceptor antagonists, are useful in the treatment of primary hypertension, although their use is not as widespread as other antihypertensive drugs. The non-selective antagonists are usually reserve for use in hypertensive emergencies caused by a pheochromocytoma.
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Angiotensin II Receptor Blockers (ARBs) This narrowing increases the pressure within the vessels and can cause high blood pressure (hypertension). Angiotensin II receptor blockers (ARBs) are medications that block the action of angiotensin II by preventing angiotensin II from binding to angiotensin II receptors on the muscles surrounding blood vessels. As a result, blood vessels enlarge (dilate) and blood pressure is reduced.
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Among Taking Aspirin, Beta Blockers, Cholesterol-Lowering 'Statin' Drug Beta blockers, also known as beta-adrenergic blocking agents, are medications that reduce your blood pressure. Beta blockers work by blocking the effects of the hormone epinephrine, also known as adrenaline. When you take beta blockers, your heart beats more slowly and with less force, thereby reducing blood pressure. Beta blockers also help blood vessels open up to improve blood flow.
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Drugs for Arrhythmias Class II: Class II drugs are beta-blockers, which affect predominantly slow-channel tissues (sinoatrial [SA] and atrioventricular [AV] nodes), where they decrease rate of automaticity, slow conduction velocity, and prolong refractoriness.
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- The primary action of Class II antiarrhythmics is to block beta adrenoceptors. Class II includes propranolol, acebutolol, and the short-acting beta-adrenoreceptor antagonist esmolol. Class III drugs, which prolong action potential duration and effective refractory period, act primarily by blocking potassium channels, although other mechanisms may be involved.
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- In particular, these include the hemodynamic abnormalities of tachycardia and hypertension. Beta-adrenergic blockade can reduce many of these symptoms. These agents are the DOC in treating cardiac arrhythmias that result from hyperthyroidism. These agents control cardiac and psychomotor manifestations within minutes.
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- A beta-blocker is a medicine that is often used to treat high blood pressure and heart problems. Some examples of beta-blockers are atenolol, metoprolol and propranolol. This kind of medicine blocks the harmful effects of stress hormones on your heart. It also slows your heart rate.
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- Beta blocker. A type of drug that is used to lower blood pressure, treat chest pain (angina) and heart failure, and to help prevent a heart attack. Beta blockers relieve the stress on the heart by slowing the heart rate and reducing the force with which the heart muscles contract to pump blood.
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Beta blockers Beta blockers, also called beta-adrenergic blocking agents, treat a variety of conditions, such as high blood pressure and migraines. Find out more about this class of medication. Beta blockers, also known as beta-adrenergic blocking agents, are medications that reduce your blood pressure. Beta blockers work by blocking the effects of the hormone epinephrine, also known as adrenaline. When you take beta blockers, your heart beats more slowly and with less force, thereby reducing blood pressure.
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Types of IUDs You should NOT use Paragard if you: 1  Might be pregnant before insertion. 2  Have pelvic inflammatory disease or a history of it. 3  Have a history of uterine infections, or cancer in the uterus or cervix. 4  Are allergic to copper. 5  Have Wilson's disease (a rare disease with which you accumulate too much copper in your liver)
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Beta-Adrenoceptor Antagonists (Beta-Blockers) Beta-blockers prevent the normal ligand (norepinephrine or epinephrine) from binding to the beta-adrenoceptor by competing for the binding site. Beta-adrenoceptors are coupled to a Gs-proteins, which activate adenylyl cyclase to form cAMP from ATP.
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The Ultimate Guide to Beta Blockers Nonselective beta-blockers block both beta 1 and beta 2 receptors. Some beta blockers have intrinsic sympathomimetic activity (ISA), which means they actually increase blood pressure and heart rate. Some beta blockers block beta and alpha-1 receptors, adding to the blood dilating effect of other medications.eart attack patients also may receive beta blockers to prevent future heart attacks and some patients may receive beta blockers to prevent migraines. Other uses include the treatment of hyperthyroidism, akathisia (restlessness), and anxiety.
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Calcium channel blocker Calcium channel blockers (CCB), calcium channel antagonists or calcium antagonists are several medications that disrupt the movement of calcium (Ca2+) through calcium channels. Calcium channel blockers are used as antihypertensive drugs, i.e., as medications to decrease blood pressure in patients with hypertension. CCBs are particularly effective against large vessel stiffness, one of the common causes of elevated systolic blood pressure in elderly patients.
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Beta-Adrenoceptor Antagonists (Beta-Blockers) Beta-blockers are drugs that bind to beta-adrenoceptors and thereby block the binding of norepinephrine and epinephrine to these receptors. This inhibits normal sympathetic effects that act through these receptors. Therefore, beta-blockers are sympatholytic drugs. Some beta-blockers, when they bind to the beta-adrenoceptor, partially activate the receptor while preventing norepinephrine from binding to the receptor. These partial agonists therefore provide some background of sympathetic activity while preventing normal and enhanced sympathetic activity.
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- Beta blockers, also known as beta-adrenergic blocking agents, are medications that reduce your blood pressure. Beta blockers work by blocking the effects of the hormone epinephrine, also known as adrenaline.
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Beta-blockers Patient - Trusted medical information and support. Beta-blockers. Beta-blockers are medicines that are used to treat various conditions. These include angina, high blood pressure, some abnormal heart rhythms, heart failure, heart attack (myocardial infarction), anxiety, overactive thyroid symptoms, glaucoma and migraine. Beta-blockers are medicines that are used to treat a variety of conditions.
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- THERAPEUTIC ACTIONS. In low doses, acts relatively selectively at beta2-adrenergic receptors to cause bronchodilation and vasodilation; at higher doses, beta2 selectivity is lost, and the drug acts at beta2 receptors to cause typical sympathomimetic cardiac effects.
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Pseudoephedrine (Systemic) » Beta-adrenergic blocking agents (concurrent use with pseudoephedrine may inhibit the therapeutic effect of these medications; beta-blockade may result in unopposed alpha-adrenergic activity of pseudoephedrine, with a risk of hypertension and excessive bradycardia and possible heart block {20} {32})