Rhythmology is a branch of cardiology that focuses on the causes and treatment of cardiac arrhythmias such as atrial fibrillation, rapid heartbeats and ‘skipped’ heartbeats. The cardiologists at the rhythmology centre in Aargau also specialise in the diagnosis of cardiac syncope and determining the risks of sudden heart failure. The medical specialists treat all kinds of cardiac arrhythmias and also utilize technologies such as pacemakers and internal defibrillators.