Определение beta-blocker в Английский Язык Английский Язык словарь
(Medicine) drug that blocks stress hormones by hindering the activity of beta receptors in the body (used to treat hypertension, angina, and other heart conditions)
in full beta-adrenergic blocking agent Any of a class of synthetic drugs used to treat a wide range of diseases and conditions of the sympathetic nervous system (see autonomic nervous system). Stimulation by epinephrine of beta-adrenergic receptors, which are predominately found in the heart but are also present in vascular and other smooth muscle, results in excitation of the sympathetic nervous system. By preventing that excitation, beta-blockers are useful in controlling anxiety, hypertension, and a variety of heart conditions (see heart disease). They reduce the risk of a second heart attack
Drugs that block the action of certain hormones on the heart Beta blockers reduce the heart rate and the force of muscle contraction, thereby reducing the oxygen demand of heart muscles
any of various drugs used in treating hypertension or arrhythmia; decreases force and rate of heart contractions by blocking beta-adrenergic receptors of the autonomic nervous system