With the EC-12H Holter recorder you can make 1 ... The program performs rhythm analysis, ST, QT, AF, time and frequency based HRV, and it calculates HRT and uVTWA parameters as well.
Holter monitoring over 24 h recorded 107 PVCs ... were both administered and did not reveal Brugada syndrome or long QT syndrome. Two days later the patient experienced another episode of syncope ...