Digitalis

{dij-it-a’ -lis) [digitalis, pertaining to the fingers]. Foxglove. The leaves of D. purpure a. It contains an amorphous complex substance, digitalin, that does not, however, represent the full properties of the leaves. It is a powerful cardiac stimulant, strengthening the systole and lengthening the diastole of the heart. It also acts as a diuretic; in large doses it causes gastric disturbances. It is employed mainly in diseases of the heart when compensation is lost. D., Extractum, Dose gr. \-\ (0.01-0.032). D., Extractum, Fluidum. Dose n\, i-iij (0.065-0.2). D., Infusum, \]/2 parts of the leaves in 100 parts. Dose f % - {%} (16.0-32.0). D., Tinctura, 15 parts of the leaves in 100 of diluted alcohol. Dose TT^x-xx (0.6-I.2). 228