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 effectively treat hypertension and migraines in people of all ages. The Mayo Clinic describes beta blockers as epinephrine inhibitors that modulate nerve impulse responses to control the patient's heart rate. Beta blockers...
Beta blockers, such as propranolol, are a class of medications that can be used to treat patients with high blood pressure and other forms of cardiovascular disease. These drugs work to help slow the heart rate. Although beta blockers are...
Beta blocker are also called beta-adrenergic blocking drugs and are prescribed to treat high blood pressure, heart failure, heart arrythmias and chest pain. Beta blocker medications are also used to prevent additional heart attacks in patients...
Angina (chest pain) is a medical condition that occurs when the heart is not receiving enough blood and oxygen. According to the National Heart Lung and Blood Institute (NHLBI), three types of angina exist: stable, unstable and variant. Stable...
A variety of different medications are available to help those suffering from the symptoms of an anxiety disorder. The National Institute of Mental Health (NIMH) reports that approximately 40 million American adults suffer from an anxiety disorder...
Doctors prescribe beta blocker medications for cardiovascular or heart and vascular diseases. Beta blockers decrease the pumping force of the heart and the pressure in the blood vessels. The Mayo Clinic warns that like all drugs, beta blockers can...
It's normal to worry, feel preoccupied or nervous about big decisions or a problem in a relationship or at work. If these feelings interfere with your daily life, it's possible you may be suffering from anxiety symptoms that may require medical...
The Mayo Clinic indicates that beta blockers are medications useful in treating high blood pressure. They act on the naturally produced chemical adrenaline by blocking its effects, thus decreasing heart rate and lowering blood pressure. Beta...
Food is fuel for the body. However, excess food converts into triglycerides and stores in fat cells throughout the body. As the body needs more energy, hormones trigger the release of triglycerides from the fat cells. Excess triglycerides remain...
High blood pressure, or hypertension, is a disease in which the pressure within the arteries is elevated on a constant basis. This pressure can be a symptom of another problem, or it can lead to other problems within the body.
Blocked arteries, or atherosclerosis, is a medical condition where fatty substances collect along arterial walls. In addition, as the material hardens and thickens, it can lead to blocked arteries. Atherosclerosis affects the medium and large...
Anxiety refers to a condition in which people feel on the edge. Sometimes, this anxiety can become overwhelming and lead to such symptoms as recurring nightmares, feelings of fear and panic and obsessive thoughts, says the American Psychiatric...
Propranolol is a beta-blocker medication. According to Drugs.com, propranolol is used to treat tremors, angina, hypertension, and heart rhythm and circulatory disorders. Physicians also sometime prescribe it to treat or prevent heart attack, and...
According to the Centers for Disease Control and Prevention, elevated blood pressure affects 74.5 million people in the United States per year. Untreated elevated blood pressure produces heart disease and stroke. Heart disease remains the No. 1...
The cardiovascular system consists of the blood that supplies oxygen and nutrients throughout the body, the blood vessels that allow blood to travel and the heart that pumps the blood. Conditions that inhibit the flow of blood into and out of the...
Various anxiety medications are available to help the approximately 40 million U.S. adults who suffer from anxiety disorders every year, according to 2010 estimates from the National Institute of Mental Health. The American Psychiatric Association...
Beta blockers (beta adrenergic-blocking agents) are medications used in the treatment of high blood pressure, heart arrhythmia, migraines and glaucoma. Beta blockers work by blocking the effects of the hormone epinephrine, also known as...
Atenolol is a prescription medication in the family of beta-blocker drugs that is commonly used to treat hypertension, or high blood pressure. It is also prescribed for angina or chest, arrythmias or irregular heartbeat, muscle tremors, migraines...
Beta blockers (beta-adrenergic blocking agents) are medications used for the treatment of high blood pressure, glaucoma and migraines. According to the Mayo Clinic, when you take beta blockers, the heart beats more slowly and with less force,...
Beta blockers, or beta-adrenergic blocking drugs, are used to treat high blood pressure or hypertension, congestive heart failure, abnormal heart rhythms or arrhythmias and chest pain or angina. The Heart and Stroke Foundation mentions that this...
Beta-blockers, or beta-adrenergic blockers, are a class of drugs that are used to treat a variety of conditions, including high blood pressure, glaucoma and migraines. There are several types of beta-blockers -- some affect the heart, while others...
Bystolic, or nebivolol is a medication in a class of drugs known as beta blockers. According to Drugs.com, it works by slowing down the heart and decreasing the amount of blood it pumps out, which helps to decrease blood pressure. Bystolic may be...
Metoprolol succinate is the generic equivalent of the blood pressure medications Toprol XL and Lopressor. It is a beta-blocker medication used to treat congestive heart failure, irregular heartbeat and high blood pressure. According to the Texas...
Patients with dry eye syndrome do not have enough lubrication in the eye--either because there are insufficient tears present or because the tears that are present don't work well enough. Symptoms include irritation, tearing or a feeling of grit...
According to the U.S. National Institute of Mental Health (NIMH), approximately 40 million adults in the United States (about 18 percent) suffer from anxiety disorders every year. There are six different types of disorders and accompanying...
Essential tremors refer to shaking of certain regions of the body, such as the hands, for no exact reason. The Mayo Clinic says that these tremors begin slowly and can get worse with movement. Left untreated, essential tremors can affect an...
Propranolol is a medication in a class of drugs known as beta blockers. Beta blockers work by decreasing the contractility of the heart and dilating the blood vessels in the body. According to Drugs.com, propranolol is used to treat tremors,...
Congestive heart failure describes a condition in which the heart fails to pump enough blood to meet the demands of the body, according to the American Heart Association. Congestive heart failure can result from many diseases of the heart and...
When exposed to very cold temperatures, skin and underlying tissues may freeze, resulting in frostbite. The areas most likely to be affected by frostbite are your hands, feet, nose and ears. Learn about the different causes, symptoms, and...