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. 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. Digitalis is hence often prescribed for patients in atrial fibrillation, especially if they have been diagnosed with congestive heart failure. Digoxin was approved for heart failure in 1998 under current regulations by the Food and Drug Administration
Plant-for-the-Planet President. In addition to the young people, one adult also serves on the board, in a position called the "Planet-for-the-Planet Secretariat". The goal of the Global Board is to give the organisation a focus and make organisation-wide decisions. Coordinated with the organisation, tree planting activities or "parties" are organised by students and children themselves. The students need to find foresters and environmental organisations to supply seedlings, and show them how, where, and when to plant. The funding needed to plant trees comes from individual and corporate donations. Plant-for-the-Planet promises to plant one tree for every Euro donated. The organisation also