The Schiller Cardiovit AT102 Interpretive EKG Machine combines a number of vital cardiopulmonary function tests that measure resting ECG and exercise ECG as well as spirometry. This 12-channel resting EKG machine with its direct function keys for important functions is easy to use. Along with an integrated 3-channel monitor, alphanumeric keyboard and a 40 record internal memory, it has an interface for data-transmission and can be connected to either an internal or external printer.