منابع مشابه
Effects of Cardiac Glycosides
Using microelectrodes having an external diameter of less than 1 ,u, potential variations of single caidiac fibers were obtained from frog ventriculai' muscle in situ. The normal membrane potential consists of a rapid depolarization and slow reecovery, the latter occurring in three distinct phases. Digitalis glycosides alter profoundly the slopes of these various phases and dlastically shorten ...
متن کاملThe Cardiac Glycosides
author offers no evidence to support his own contentions other than "laboratory studies show," "phylobiological investigations show," "my researches and those of my associates show." A really specific account of the therapeutic method to be used, or how the physiological method is to be applied, is found nowhere in the book, nor are any concrete case histories supplied. A much-needed glossary, ...
متن کاملCardiac glycosides and cardiomyopathy.
Digitalis-like steroids and related agents have been a mainstay in the treatment of congestive heart failure ever since the publication, in 1785, of Withering’s seminal monograph on foxglove. Heart failure refers to the clinical syndrome that results when the heart is unable to pump sufficient blood to keep up with the metabolic demands of the body. Congestive heart failure is characterized by ...
متن کاملDIGITALIS & RELATED CARDIAC GLYCOSIDES Background
in the following notes the term digitalis is used to describe the entire group of cardiac glycosides a large number of plants contain cardiac glycosides, and these have been used by natives as arrow and ordeal poisons Squill was known to the ancient Egyptians and the Romans used it as a diuretic, heart tonic, emetic and rat poison Strophanthus was introduced by Sir Thomas Fraser in 1890 digital...
متن کاملCardiac glycosides from Cryptostegia grandiflora.
From the leaves of Cryptostegia grandiflora, four new cardiac glycosides oleandrigenin 3-O-beta-glucopyranosyl-(1-->4)-beta-cymaropyranosyl-(1-->4)-beta-digitoxopyranoside, cryptostigmin I, oleandrigenin 3-O-beta-glucopyranosyl-(1-->4)-alpha-rhamnopyranoside, cryptostigmin II, 16-propionylgitoxigenin 3-O-beta-glucopyranosyl-(1-->4)-alpha-rhamnopyranoside, cryptostigmin III and oleandrigenin 3-O...
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ژورنال
عنوان ژورنال: Science-Business eXchange
سال: 2010
ISSN: 1945-3477
DOI: 10.1038/scibx.2010.1372