Beta receptors exist in the heart, lungs and blood vessels. When activated by the sympathetic nervous system, they stimulate an increase in heart rate and blood pressure, and cause dilation of the airways. This is part of the "fight or flight"...
Beta blockers are a class of medications used for the treatment of high blood pressure and congestive heart failure. When an individual has had a heart attack, beta blockers also are used to prevent future hospitalizations and death. Beta blockers...
Beta-blockers, also known as beta-adrenoceptor antagonists, are medications used to treat high blood pressure, angina and irregular heart beat. They are also used in eye drops to treat glaucoma. Beta-blockers act by tamping down the adrenergic...
Beta-adrenergic receptor blockers, commonly known as beta blockers, are a class of drugs that lower blood pressure by blocking the effects of the hormone adrenaline, the Mayo Clinic says. These drugs dilate blood vessels and cause the heart to...
Atenolol, or Tenormin, is a prescription medication used in the treatment of high blood pressure and angina, or chest pain. It may also be given to individuals who have suffered a recent heart attack. It belongs to a class of drugs called the...
Beta blockers are medications that are used for a variety of conditions. One use for these drugs is to treat angina pectoris---chest pain that is caused by a decreased supply of oxygen to the heart. Beta blockers, as the name suggests, work by...