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Beta blocker. Skeletal formula of propranolol, the first clinically successful beta blocker. Beta blockers, also spelled β-blockers, are a class of medications that are predominantly used to manage abnormal heart rhythms (arrhythmia), and to protect the heart from a second heart attack after a first heart attack (secondary prevention). [1]
Cardiology. A premature ventricular contraction (PVC) is a common event where the heartbeat is initiated by Purkinje fibers in the ventricles rather than by the sinoatrial node. PVCs may cause no symptoms or may be perceived as a "skipped beat" or felt as palpitations in the chest. PVCs do not usually pose any danger.
Beta blockers are considered first-line agents, as they can slow down the heart rate and decrease the likelihood of ectopic beats. For people who cannot tolerate beta blockers, nondihydropyridine calcium channel blockers such as verapamil can be used, but are potentially harmful in people who also have low blood pressure or severe shortness of ...
Propranolol is a medication of the beta blocker class. [2] It is used to treat high blood pressure, a number of types of irregular heart rate, thyrotoxicosis, capillary hemangiomas, performance anxiety, and essential tremors, [2] [3] [4] as well to prevent migraine headaches, and to prevent further heart problems in those with angina or previous heart attacks. [2]
Bisoprolol. Bisoprolol, sold under the brand name Zebeta among others, is a beta blocker which is selective for the beta-1 receptor [ 7 ] and used for cardiovascular diseases, [ 7 ] including tachyarrhythmias, high blood pressure, angina, and heart failure. [ 7 ][ 8 ] It is taken by mouth. [ 7 ]
Beta-blockers, which slow down the heart and reduce the force of its contractions. Ace Inhibitors, which block the formation of Angiotensin II, a chemical that causes blood vessels to constrict ...