SEIVA Ergolog is a system designed for simple and precise recording of ECG Stress test examination. Design of the system comes from many years of in-depth experience of company SEIVA in this field. Ergolog excels especially in quality ECG record, simple operation, exact ST analysis and other parameters of ECG trace. Ergolog uses effective digital filters and evaluative algorithm SEIVA, which is original and represents top-end technology in this field. Also the device can be used as Resting ECG.