This interactive algorithm didactically introduces process of tachyarrhythmia therapy. The case caused by tachyarrhythmia starts at General Practitioner, continues during EMS intervention, at internal ambulance in hospital and consequently at the cardiology department. It is clearly explained when indicate and how to perform the Valsalva maneuver, administration of antiarrhythmic drugs and the prevention of thromboembolism. Therapeutic procedure including cardioversion is presented clearly and uses instructional video. A comprehensive view of tachyarrhythmia therapy involves among other things the possibility of using radiofrequency ablation. This case report can increase student´s interest in cardiac patients by use of graphic video accompanied by a logical extension of diagnostic and therapeutic procedure discretion.