TITLE: 
                        
                            Triangle Characters of Electrocardiogram for Distinguishing States between Exercise and Relaxation
                                
                                
                                    AUTHORS: 
                                            Yanjun Li, Hong Yan, Jinzhong Song, Xinming Yu, Zongxiao Sun, Hua Wei 
                                                    
                                                        KEYWORDS: 
                        Electrocardiogram (ECG); Exercise ECG; Exercise-Induced ECG Changes; Triangle QRS; Triangle T 
                                                    
                                                    
                                                        JOURNAL NAME: 
                        Engineering,  
                        Vol.5 No.10B, 
                        October
                                                        30,
                        2013
                                                    
                                                    
                                                        ABSTRACT: 
	Will exercise-induced cardiovascular workload be
monitored by Electrocardiogram (ECG) waveform morphology? The discrimination
ability of ECG morphology from 30 subjects was tested for distinguishing states
between exercise and relaxation in terms of side lengths, lengths of high
lines, angles, perimeters and areas of triangle QRS and triangle T. As a
result, 4 characters from triangle QRS had significant differences (t test, p