Our heart beats 100,000 times a day – that's 36 million beats a year! When it goes out of rhythm, we become uncertain: "Can I no longer rely on my heart? How can I be helped?" Some arrhythmias are harmless and do not require treatment. Other types need to be treated with medication or electrotherapy, or can even be life-threatening. This guide helps you better understand your arrhythmia and alleviate unnecessary fears. It explains the different types of arrhythmias, how they occur, and what can be done about them. You will also learn when electrotherapy or a pacemaker is advisable and what you can do for your heart. Become an expert on your heart!.