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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]
Cholinergic blocking drug. Cholinergic blocking drugs are a group of drugs that block the action of acetylcholine (ACh), a neurotransmitter, in synapses of the cholinergic nervous system. [1] They block acetylcholine from binding to cholinergic receptors, namely the nicotinic and muscarinic receptors. These agents have broad effects due to ...
Metoprolol is a beta blocker, or an antagonist of the β-adrenergic receptors. It is specifically a selective antagonist of the β 1 -adrenergic receptor and has no intrinsic sympathomimetic activity. [37] Metoprolol exerts its effects by blocking the action of certain neurotransmitters, specifically adrenaline and noradrenaline.
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 ...
Beta blockers are a heart medication, but some docs prescribe it off-label to help with situational anxiety. Click here for more on just how that works.