3425 x 5137 px | 29 x 43,5 cm | 11,4 x 17,1 inches | 300dpi
Data acquisizione:
21 maggio 2009
Altre informazioni:
Digitalis sp Foxgloves in flower Medicines from foxgloves are called Digitalin The use of Digitalis purpurea extract containing cardiac glycosides for the treatment of heart conditions was first described in the English speaking medical literature by William Withering in 1785 which is considered the beginning of modern therapeutics Silverman It is used to increase cardiac contractility it is a positive inotrope and as an antiarrhythmic agent to control the heart rate particularly in the irregular and often fast atrial fibrillation It is therefore often prescribed for patients in atrial fibrillation especially if they have been diagnosed with heart failure A group of pharmacologically active compounds are extracted mostly from the leaves of the second year s growth and in pure form are referred to by common chemical names such as digitoxin or digoxin or by brand names such as Crystodigin and Lanoxin respectively The two drugs differ in that Digoxin has an additional hydroxyl group at the C 3 position on the B ring adjacent to the pentane Both molecules include a lactone and a triple repeating sugar called a glycoside
