You can read manual for "Cordarone" on [ENG] and [RUS]:

Palpitations

Atrial
Bradycardias
How are palpitations evaluated
How are palpitations managed
How is Restrictive Cardiomyopathy Diagnosed
Palpitations At A Glance
Premature Contractions
Ventricular Arrhythmias
What are palpitations
What are symptoms of arrhythmias
What are the causes of arrhythmias
What Causes Restrictive Cardiomyopathy
What Is Restrictive Cardiomyopathy
What is the normal heartbeat