National Scientific Center “M.D. Strazhesko Institute of Cardiology NAMS of Ukraine”, Kyiv, Ukraine
Shupyk National Medical Academy of Post-Graduate Education, Kyiv, Ukraine
The presented clinical case showed diagnostic difficulties in diagnosis of ectopic atrial tachycardia, absolute nonefficacy of administered antiarrhythmic therapy along with high result of catheter treatment method. Use of modern diagnostic methods (Holter ECG monitoring, medications tests and intraсardiac eleсtrophysiological examination) may help to precisely diagnose arrhythmia, as well as to introduce moderately invasive methods into practical arrhythmology.