A cardiopulmonary exercise system for real-time, breath-by-breath acquisition, analysis, display and printing of an individual's physiologic parameters. A microprocessor based waveform analyzer receives inputs from a CO.sub.2 analyzer, an ECG monitor, an O.sub.2 analyzer, and a pneumotachograph, and,...http://www.google.fr/patents/US4463764?utm_source=gb-gplus-shareBrevet US4463764 - Cardiopulmonary exercise system
