Causes of Rheumatoid factor positive that are very rare . The following causes of Rheumatoid factor positive appear in the population at a rate of substantially less than 200,000 people per year in the USA: Lymphoma; Polymyositis; more causes...Â» Causes of Rheumatoid factor positive without any prevalence information
1 Propranolol is used to treat high blood pressure, chest pain caused by angina, and irregular heart beat. 2  It is also used to protect the heart after a heart attack and to prevent migraines. 3  It is a beta-blocker. 4  It is used to slow down the activity of the heart and decrease blood pressure.
If you want to stop taking propranolol, you should ask your doctor for help. If you stop too quickly, you could get withdrawal symptoms and they could be dangerous for your heart. These symptoms include: 1  sweating. 2  shaking. 3  irregular heartbeat. 4  chest pain, which may be angina or a heart attack.5  You will need to go to hospital if you get these symptoms, as your life might be in danger. Propranolol blocks the effects of the chemicals noradrenaline and adrenaline in the body. 2  These chemicals affect the heart, making it race and increasing your blood pressure. 3  Beta blockers therefore make the heart slow down and reduce shaking.