Superminiature 12-channel Digital ECG System with Measurement and Interpretation Main Features: Cheap… Easy to use and reliable… Economical, up-to-date and promising… All the definitions may be applied to our 12-channel digital ECG system Poly-Spectrum-8/E. The system is a mobile phone in size. It enables a simultaneous recording from 1 to 12 ECG leads. Poly-Spectrum-8/E prints ECG on any jet or laser printer. Moreover, it prints ECG on plain paper instead of expensive thermopaper in contrast to a common electrocardiograph. The ECG system is supplied with very simple software. It takes a person without any special training just a few minutes to master its operation. Easy and very convenient software provides a very high carrying capacity of the unit and enables to use it for mass checkups. Poly-Spectrum-8/E carries out automatic ECG measurement and interpretation. Also it can be supplemented with optional modules for heart rate variability analysis Poly-Spectrum-Rhythm; the Q-T interval dispersion analysis Poly-Spectrum-QT; ventricular late potentials registration and analysis Poly-Spectrum-VLP, and exercise stress testing Poly-Spectrum-Ergo.