1982
DOI: 10.1159/000173534
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An Overview of Slow Channel Blocking Drugs: Pharmacological Basis for Therapeutic Applications

Abstract: The use of voltage clamps in cardiac muscle has permitted the separation of two inward depolarizing membrane currents. The first is the fast sodium current, with rapid kinetics of activation and inactivation, which is blocked by local anesthetics. The second is the slow current carried largely by calcium ions, having slow kinetics with a long time constant of inactivation. Agents which selectively block this current are called Ca antagonists. Such agents are heterogeneous structurally; they also block calcium … Show more

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Cited by 9 publications
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“…Ишемия миокарда является одним из важных патофизиологических механизмов прогрессирования ГКМП. Основным препаратом, доказавшим свою эффективность в ее лечении, является верапамил [8,16].…”
Section: …с ишемией миокарда в отсутствие обструкции выносящего трактunclassified
“…Ишемия миокарда является одним из важных патофизиологических механизмов прогрессирования ГКМП. Основным препаратом, доказавшим свою эффективность в ее лечении, является верапамил [8,16].…”
Section: …с ишемией миокарда в отсутствие обструкции выносящего трактunclassified
“…The positive chronotropic, dromotropic, bathmotropic and inotropic actions of adrenergic activation are associated with a marked increase in L-type Ca 2+ current in the surface membrane of cardiomyocytes (Van der Heyden et al 2005). In contrast, Ca 2+ channel-blocking drugs, called Ca 2+ antagonists, decrease the amplitude of this current providing thus effective treatment of several cardiovascular disorders such as cardiac arrhythmias, ischaemic heart disease and hypertension (Singh 1982, Clusin 2003. In spite of the tremendous mass of data obtained on the cardiac effects of beta-adrenergic activation/isoproterenol and Ca 2+ channel blockers alone, little is known about the interactions of these agents when they are applied simultaneously.…”
mentioning
confidence: 99%