[Measurement of the conduction time within the fascicles of the His-Purkinje-system using endocardial detection (author's transl)].

The conduction time in the 3 fascicles of the His-Purkinje system can be measured by recording the local excitation in the peripheral His-Purkinje system of the right bundle and the anterior and posterior fascicle of the left bundle, in combination with His-bundle recordings. This technique allows a detailed study of the subjunctional conduction and gives information on the conduction pathways in ventricular arrhythmias.