Digitalis purpurea
di Henry N. Guernsey — Key-Notes to the Materia Medica
A very slow pulse is one of the chief characteristics of this remedy; never think of it where there is a rapid pulse, say over 80. Bluish appearance of the face. Stools gray or ash-colored; discharge of urine too scanty (with slow pulse); pulsations of the heart intermit: cyanosis; dropsy of inner parts; fainting.
Pulse.--Pulse full; irregular; slow, very slow.
Worse.--When sitting, especially when sitting erect.
Remedies following:--Bellad., China, Lycop., Pulsat., Nux vom., Sulphur, Veratr.
Antidote:--Camphor.