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Topic: Beta blocker

Related Topics

Adrenergic receptor

Atenolol

Cardiologist

Metoprolol

Ischemic heart disease

Angiotensin II receptor antagonist

Atrial fibrillation

Stage fright

Heart valve

Cardiomyopathy

Migraine

Systole

Atrial flutter

ACE inhibitor

Cardiac output

	Beta blocker - Wikipedia, the free encyclopedia
		Beta blockers (sometimes written as β-blockers) are a class of drugs used for various indications, but particularly for the management of hypertension and cardiac arrhythmias.
		Beta blockers block the action of endogenous catecholamines, epinephrine (adrenaline) and norepinephrine (noradrenaline) in particular, on β-adrenergic receptors, part of the sympathetic nervous system which mediates the "fight or flight" response.
		Although beta blockers were once contraindicated in congestive heart failure, as they have the potential to worsen the condition, studies in the late 1990s showed their positive effects on morbidity and mortality in congestive heart failure (Hjalmarson, 2000; Leizorovicz, 2002; Packer, 2002).
	en.wikipedia.org /wiki/Beta_blocker (970 words)

	Beta Blockers and Performance Anxiety
		Beta blockers are not FDA approved for use in anxiety or stage fright, but these medications can be prescribed for this purpose because there is scientific literature to support this use.
		In the case of beta blockers, physical dependence is not usually an issue when they are used for stage fright, as they are used in low doses and are not taken on a chronic basis.
		Beta blockers have not been shown to directly improve a musician's emotional state, except to the extent that some musicians feel better when their physical problems are relieved.
	www.ethanwiner.com /BetaBlox.html (2032 words)

	Beta Blocker Treatment
		The HEDIS®* beta blocker treatment after heart attack measure estimated the percentage of members age 35 and older hospitalized and discharged from the hospital after surviving a heart attack (defined as an acute myocardial infarction, or AMI), who received a prescription for beta blocker.
		Beta blocker treatment in MI survivors reduces mortality by 40% in older patients (older than 60 years of age) and 28% in younger patients.
		Clinical trials of beta blocker use after AMI have demonstrated mortality reductions that are 10 to 30 percent greater in diabetic patients than in nondiabetic patients.
	www.ncqa.org /somc2001/BETA_BL/SOMC_2001_BBH.html (1236 words)

	s000524a - Myocardial Infarction - Beta Blocker Therapy
		Based on the results of numerous clinical and mechanistic studies, it is suggested: that beta blockers should be given to all patients at risk for sudden cardiac death, including those patients with previous: myocardial infarction, hypertension, or congestive heart failure.
		Not all studies with beta blockers, however, have demonstrated a significant: reduction in the incidence of sudden cardiac death.
		Despite the fact that beta blockers are potent agents against elevated blood pressure, a well-established coronary: risk factor, no controlled trial with a placebo or untreated control group has shown a definite preventive effect on: coronary heart disease.
	www.emory.edu /WHSCL/grady/amreport/litsrch99/s000524a.html (9432 words)

	Beta blocker definition - Medical Dictionary definitions of popular medical terms (Site not responding. Last check: 2007-11-06)
		Beta blockers may be used to treat abnormal heart rhythms (cardiac arrhythmias) and prevent abnormally fast heart rates (tachycardias) or irregular heart rhythms such as premature ventricular beats.
		Since beta blockers reduce the demand of the heart muscle for oxygen and the chest pain of angina pectoris occurs when the oxygen demand of the heart exceeds the supply, beta blockers can be useful in treating angina.
		Beta blockers reduce the pressure within the eye (the intraocular pressure), probably by reducing the production of the liquid (aqueous humor) within the eye, and so are used to lessen the risk of damage to the optic nerve and loss of vision in glaucoma.
	www.medterms.com /script/main/art.asp?articlekey=2452 (471 words)

	BETA BLOCKERS (Site not responding. Last check: 2007-11-06)
		Some beta blockers may raise the level of triglycerides and lower the level of good cholesterol in the blood but this is rarely clinical problem and does not offset their otherwise beneficial effects.
		Beta blockers may cause wheezing and should be used with caution in patients with asthma, bronchitis or emphysema.
		Overall, beta blockers are some of the most effective medicines for heart disease, high blood pressure and heart attack survivors and are well tolerated by most people.
	www.healthyhearts.com /beta.htm (293 words)

	Beta Blockers: Why Take a Beta Blocker? - Medications: prescription drugs and over the counter drugs on MedicineNet.com (Site not responding. Last check: 2007-11-06)
		Beta blockers act by suppressing these stimulatory impulses and lead to a slowing of the pulse rate and a reduction in blood pressure.
		Beta blockers are prescribed as treatments for high blood pressure and have been shown to improve survival when administered following a heart attack.
		Beta blockers have also been used to prevent episodes of migraine headache and to treat social anxiety.
	www.medicinenet.com /script/main/art.asp?articlekey=41879 (449 words)

	Beta Blocker Drugs (December 1990)
		However, by blocking certain receptors in the body, beta blockers lower and regulate the heartbeat and lessen the heart's workload.
		While taking beta blockers, it is important that you continue any diet and exercise program prescribed by your doctor, as these are often important parts of the therapy for the conditions being treated.
		Since many of the conditions that beta blockers treat are chronic, you may have to take this medicine for the rest of your life.
	www.fda.gov /bbs/topics/CONSUMER/CON00023.html (1131 words)

	The Role of Beta Blockers in Graves' Disease
		Beta blockers are valuable in reducing and relieving both cardiac and nervous symptoms.
		Although the beta blocker propranolol (Inderal) was the first drug of this class used to treat thyrotoxicosis, newer cardioselective agents such as esmolol, atenolol and metoprolol are widely prescribed today.
		Beta blockers are also contraindicated in congestive heart failure except when the heart failure is rate related or caused by atrial fibrillation.
	www.suite101.com /article.cfm/graves_disease/55068 (546 words)

	Beta Blocker Information - Our FM/CFS World (Site not responding. Last check: 2007-11-06)
		Beta blockers are one of two antihypertensives classes recommended by an expert panel to for antihypertensive therapy.
		There are two primary beta receptors appropriately named beta 1 and beta 2 (There is a beta 3 receptor found in adipose tissue which probably plays a role in obesity.) Some beta blockers are 'selective' meaning that they block beta 1 receptors more than they block beta 2 receptors.
		Therefore, blocking the beta 1 receptor (and all beta blockers block the beta 1 receptor) results in the heart rate slowing down and the heart beating less forcefully.
	www.ourfm-cfidsworld.org /html/beta_blocker_information.html (1000 words)

	Amiodarone + beta blocker reduces shock in ICD patients - Geriatrics
		The target doses of the beta blockers used were metoprolol, 100 mg/d; bisoprolol, 10 mg/d; and carvedilol, 50 mg/d.
		The annual rate of appropriate ICD shocks was 22.0%, 6.7%, and 15.1% in the beta blocker monotherapy, amiodarone/beta blocker, and sotalol groups, respectively; and the annual rate of inappropriate ICD shocks was 15.4%, 3.3%, and 9.4%, respectively.
		The mean number of shocks per patient during follow-up was 4.32 among beta blocker alone recipients, 0.51 in the amiodarone/beta blocker recipients, and 0.93 in the sotalol recipients.
	www.geri.com /geriatrics/article/articleDetail.jsp?id=160611 (443 words)

	s000524b - Congestive Heart Failure - Beta Blocker Therapy
		Beta blockers in heart failure: a comparison of a vasodilating beta blocker with metoprolol.
		Effect of low dose beta blockers on atrial and ventricular (B type) natriuretic factor in heart failure: a double blind,: randomised comparison of metoprolol and a third generation vasodilating beta blocker.
		In contrast, a vasodilating beta blocker was associated: with a significant fall in ANF and BNF and a small rise in cardiac output.
	www.emory.edu /WHSCL/grady/amreport/litsrch99/s000524b.html (6278 words)

	Beta Blockers for Heart Problems -- familydoctor.org (Site not responding. Last check: 2007-11-06)
		A beta blocker is a medicine used to treat high blood pressure and heart problems.
		A beta blocker is often used to treat high blood pressure or an irregular heart beat.
		Beta blockers are generally not used in people with asthma.
	familydoctor.org /handouts/633.html (839 words)

	Department of Anesthesiology - Beta-Blocker Guidelines (UH) (Site not responding. Last check: 2007-11-06)
		Beta blockade should be instituted in these patients under the supervision of a cardiologist.
		Patients already on chronic beta blockade are maintained on their current regimen, and are instructed to take their normal moring dose on the day of surgery.
		In some patients it may be safer to wean/taper beta blockade at the end of the desired course, to reduce the risk of rebound tachycardia.
	www.uhcanesthesia.com /Guidelines/beta-blockers/view (848 words)

	Beta Blockers — Complete medical information regarding this class of drugs on MedcineNet.com
		Beta blockers are a class of drugs that block beta-adrenergic substances such as adrenaline (epinephrine), a key agent in the "sympathetic" portion of the autonomic (involuntary) nervous system and activation of heart muscle.
		Other uses for beta blockers include the prevention of migraine headaches and stage fright (social phobia), and the treatment of certain types of tremors (familial or hereditary essential tremors).
		Beta blockers are also available in combination with a diuretic as, for example, with bisoprolol and hydrochlorothiazide (Ziac).
	www.medicinenet.com /beta_blockers/article.htm (522 words)

	QTsyndrome.ch - Treatment: Beta Blocker (Site not responding. Last check: 2007-11-06)
		By blocking the action of the sympathetic nervous system on the heart, beta blockers relieve stress on the heart; they slow the heart beat, lessen the force with which the heart muscle contracts, and reduce blood vessel contraction in the heart, thus preventing arrhythmias.
		Beta blockers are effective in about 75 percent to 90 percent of people with long QT syndrome.
		Side effects in Beta blockers are relatively uncommon, but include fatigue, depression or decreased sexual drive and function.
	www.qtsyndrome.ch /beta.html (154 words)

	Dangers & risks of beta blockers with allergy shots (Site not responding. Last check: 2007-11-06)
		Beta blocker eye drops are often used to treat glaucoma, and these can be absorbed from the eye into the blood stream.
		Beta blockers may be used to treat heart flutters or heart failure.
		Beta blockers narrow the passages in the lungs and may bring on a life-threatening asthma attack.
	www.allergynursing.com /questions3/beta_dangers.html (547 words)

	\|\| DukeMedNews \|\| Beta Blocker Use For Heart Failure Doubles: Still Room For Improvement
		While the researchers say that the steady increase in beta blocker use over time is encouraging, they emphasize that more effort is needed in the patient-health care provider relationship to ensure greater compliance long term.
		Since beta blockers reduce the force of contraction of the left ventricle, it was thought these drugs would harm these patients.
		In contrast, beta blockers that have been proven in randomized clinical trials to provide a survival benefit for patients with heart failure, such as cardvedilol and metoprolol succinate, increased from 0 percent to 10 percent and 3 percent to 28 percent, respectively, over the same period.
	www.dukemednews.org /news/article.php?id=7611 (1184 words)

	CNN.com - Beta blocker improves heart patients' quality and length of life, study shows - March 7, 2000
		Beta blockers reduce the heart's workload by blocking its response to stress hormones.
		Beta blockers have been used since the 1960s to treat high blood pressure and some heart conditions.
		They noted that benefits from beta blockers long have been known but that many cardiologists were reluctant to use the medicines.
	archives.cnn.com /2000/HEALTH/03/07/heart.failure (908 words)

	Beta blockers and allergy shots or testing (Site not responding. Last check: 2007-11-06)
		Beta blockers are used to treat high blood pressure, heart disease and headaches.
		Beta blocker eye drops are often used to treat glaucoma.
		If you are on a beta blocker medication your allergist may recommend that you talk with your primary physician about switching to another medication prior to allergy testing or treatment with allergy injections.
	www.allergynursing.com /medications/betablockers.html (464 words)

	Beta Blocker (Site not responding. Last check: 2007-11-06)
		Beta Blocker is accepting testers for its beta test.
		Based on the classic gameplay of Escape Velocity and other foundations such as Elite and Freelancer, Beta Blocker is a combination of great gameplay and classic features.
		Beta Blocker is played out in an expansive universe, even at this testing phase, that is open to curious explorers.
	s93726732.onlinehome.us (341 words)

	Beta-Blockers - Texas Heart Institute Heart Information Center
		Some beta-blockers are selective, which means that they block beta 1 receptors more than they block beta 2 receptors.
		Beta 1 receptors are responsible for heart rate and the strength of your heartbeat.
		Beta 2 receptors are responsible for the function of your smooth muscles (muscles that control body functions but that you do not have control over).
	texasheart.org /HIC/Topics/Meds/betameds.cfm (857 words)

	Calcium-blocker drug slows artery clogging better than beta blocker
		The study tested two high blood pressure medications: lacidipine, a calcium channel blocker, and atenolol, a beta blocker.
		Beta blockers reduce the heart's tendency to beat faster as it tries to compensate for weakened pumping ability.
		Calcium channel blockers, also called calcium antagonists, decrease the rate at which calcium flows into the heart and blood vessel walls.
	www.eurekalert.org /pub_releases/2002-10/aha-cds102402.php (727 words)

	RxList - Beta Blockers (Site not responding. Last check: 2007-11-06)
		Beta Blocker Drugs The beta blockers (examples: atenolol, metoprolol, propranolol) act as competitive antagonists at the adrenergic beta receptors.
		The newer agents tend to be more selective for the cardiac (beta-1) receptors which allows for decreased systemic side effects.
		Most of the generic names for beta blockers end with "olol".
	www.rxlist.com /bblock.htm (50 words)

	Beta Blocker Protocol by Art Wallace, MD PhD
		Beta blockade should be started as soon as the patient is identified as having CAD, PVD, or risk factors.
		Beta blockade should be continued until at least 30 days postoperatively.
		Beta blocker therapy has been shown in multiple studies to reduce the risk of death from CHF.
	www.cardiacengineering.com /bblock1.html (744 words)

	Beta Blocker Side Effects (Site not responding. Last check: 2007-11-06)
		I have been on Inderal(beta blocker) for about 3 weeks now and the side effects are very bad at this point..They keep telling me my body will adjust and they will lessen but so far they have not done so...and i am on a very small dose of this as it is...
		I am on a beta blocker also (Zebeta 2.5 mg) and it has had hardly any side effects on me, but it is a very low dose, just for my pac's and pvc's.
		I guess when your on a beta blocker you have to weigh out what you can or can't stand more, the side effects to the medication or the stinking arrythmia.
	www.medhelp.org /forums/cardio/messages/32311a.html (2715 words)

	Medical Dictionary: Beta blocker - WrongDiagnosis.com
		Beta blocker: 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: Natural or synthetic Beta Adrenergic Blocking Agents typically bind to - but do not activate - beta-adrenergic receptors, blocking or diminishing physiologic beta-adrenergic agonist actions and activation of the sympathetic system.
		Reducing cardiac output, beta adrenergic antagonists are generally used for treatment of hypertension, cardiac arrythmias, angina pectoris, glaucoma, migraine headaches, and anxiety.
	www.wrongdiagnosis.com /medical/beta_blocker.htm (255 words)

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