In this paper,the author has made an introduction of an intelligent ECGmonitoring system which can detect electrocardiogram signal.The ECG signalof the tested man may be collected and processed instantaneously in this sys-tem,and many useful ECG feature datum can be got.In this way,the ele-ctrocardiogram status of a patient can be known when needed.After eguippeda treadmill,this system can be used to carry out the submaximal treadmillexercise tests for diagnosis of latent coronary artery disease.In this system,wemake use of chip microprocessors to control...