Exercise in Patients With a Biventricular Pacemaker

Effects of an Exercise Program on the Tendance to Severe Arrhythmias in Patients With Severely Impaired Left Ventricular Function and Cardial Re-synchronisation Therapy

The investigators will evaluate the effects of an exercise program (walking on a treadmill) on the physical performance, the cardiorespiratory function, the proclivity to heart arrhythmias and the quality of life of patients with severely impaired left ventricular function and a bi-ventricular resynchronization pacemaker.

Inclusion Criteria:

• Left ventricular failure
• Resynchronization therapy with a biventricular pacemaker
• Ability to understand written German

Exclusion Criteria:

• Age over 75 years
• Severe cardiac arrhythmia
• All conditions which can be aggravated by an exercise program