- sodium channel blocking agent
- any of a class of antiarrhythmic agents that prevent ectopic beats by acting on partially inactivated sodium channels to inhibit abnormal depolarizations.
Medical dictionary. 2011.
Medical dictionary. 2011.
sodium channel blocker — sodium channel blocking agent … Medical dictionary
Sodium channel blocker — Sodium channel blockers are agents used in the treatment of cardiac arrhythmia. They are classified as Type I in the Vaughan Williams classification.Antiarrhythmic The class I antiarrhythmic agents interfere with the (Na+) channel.Class I agents… … Wikipedia
Neuromuscular-blocking drug — Global view of a neuromuscular junction: 1. Axon 2. Motor end plate 3. Muscle fiber 4. Myofibril … Wikipedia
Antiarrhythmic agent — The cardiac action potential Antiarrhythmic agents are a group of pharmaceuticals that are used to suppress abnormal rhythms of the heart (cardiac arrhythmias), such as atrial fibrillation, atrial flutter, ventricular tachycardia, and ventricular … Wikipedia
propafenone hydrochloride — pro·pa·fe·none hy·dro·chlo·ride (pro″pə feґnōn) [USP] a sodium channel blocking agent that acts on the Purkinje fibers and myocardium, used in the treatment of life threatening arrhythmias; administered orally … Medical dictionary
Antagonist — In biochemistry, an antagonist acts against and blocks an action. For example, insulin lowers the level of glucose (sugar) in the blood, whereas another hormone called glucagon raises it; therefore, insulin and glucagon are antagonists. An… … Medical dictionary
bepridil hydrochloride — bep·ri·dil hy·dro·chlo·ride (bepґrĭ dil) a calcium channel blocking agent that inhibits influx of calcium ions; it is nonselective, affecting both cardiac and smooth muscle and also inhibiting fast sodium inward currents; administered orally … Medical dictionary
drug — drug1 /drug/, n., v., drugged, drugging. n. 1. Pharm. a chemical substance used in the treatment, cure, prevention, or diagnosis of disease or used to otherwise enhance physical or mental well being. 2. (in federal law) a. any substance… … Universalium
Drug — /droog/, n. Zoroastrianism. the cosmic principle of disorder and falsehood. Cf. Asha. [ < Avestan drauga] * * * I Any chemical agent that affects the function of living things. Some, including antibiotics, stimulants, tranquilizers,… … Universalium
cardiovascular disease — Introduction any of the diseases, whether congenital or acquired, of the heart and blood vessels (blood vessel). Among the most important are atherosclerosis, rheumatic heart disease, and vascular inflammation. Cardiovascular diseases are a … Universalium