Experienced doctors A.L. Vertkin and co-authors clearly reveal all aspects of clinical practice - diagnostics, including indications for hospitalization; optimal treatment and prevention of complications; patient follow-up and laboratory monitoring. "Atrial fibrillation" is a manual that is indispensable in everyday medical practice for therapists of polyclinics, cardiologists, neurologists, ambulance doctors and other specialists working on an outpatient appointment and in a hospital.