The pacemaker therapy of tachycardiac disturbances of rhythm used a great number of different methods which are applied according to the kind of disturbance of rhythm. A specialised intracardiac diagnostics is frequently necessary in order to select the suitable stimulation technique. A short survey of the different technical stimulation methods is given which are known from literature and for which own experiences are present. In the perspective a high value is ascribed to the pacemaker therapy in tachycardias.