beta blocker


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Related to beta blocker: alpha blocker

beta blocker

[′bād·ə¦bläk·ər]
(neuroscience)
An adrenergic blocking agent capable of blocking nerve impulses to special sites (beta receptors) in the cerebellum; reduces the rate of heartbeats and the force of heart contractions.
References in periodicals archive ?
However, men who had received beta blockers as their only blood pressure medication had fewer abnormalities in their brains compared to those who had not been treated for their hypertension, or who had received other blood pressure medications.
Beta blockers constitute one of the most important classes of medications because of their ability to block the action of noradrenalin or adrenalin, also referred to as norepinephrine and epinephrine.
Previous studies that supported the use of beta blockers were not incorrect, but the benefits of beta blockers for any period past three years after a heart attack is now in question.
Pharmacist Dr Duncan Petty from the University of Leeds led the research and said: "The study assessed GPs' knowledge of beta blockers through a questionnaire, and found that although GPs were aware of the scale of the benefits, they tended to over-estimate adverse effects compared to placebo.
Although the Losartan tablets are more expensive than traditional beta blockers, the reduction in strokes could bring a huge financial saving to the NHS.
Meurer offered a caveat regarding beta blockers in CHF: The randomized trials generally didn't officially begin until after a several-week-long run-in period, during which patients could be dropped from study "If you put someone on a beta blocker for heart failure it's important to watch them very closely in that first couple of weeks, because we don't have any data for that period.
Washington, May 14 ( ANI ): Contrary to current thinking, researchers of new study have found that taking beta blockers that treat high blood pressure does not decrease a person's risk of developing colorectal cancer.
In the 123 patients taking beta blockers, only 9 percent of the serious arrhythmias occurred on Mondays.
In patients with known or suspected pheochromocytoma, initiate an alpha blocker prior to the use of any beta blocker.
The clear benefits of beta blocker use in cardiovascular disease are well known but their use is generally avoided in patients who also have COPD, because of concerns they might cause adverse effects with breathing," the Scotsman quoted Prof Brian Lipworth, who heads the group, as saying.
don't follow one of the simplest steps to live longer and help prevent a recurrence: taking prescription beta blocker medicine for life.
These included a diuretic (water pill), a beta blocker, an alpha blocker, a calcium antagonist, and an angiotensin-converting enzyme (ACE) inhibitor.