Providing temporary use of online non-downloadable software for use with monitoring and diagnostic devices in the healthcare industry, namely, non-downloadable software for monitoring heart rate and the heart's electrical activity, data storage, monitoring electrocardiograms and reporting associated data, analyzing and reporting heart beat and rhythm data; providing temporary use of online non-downloadable software for use with electrocardiographic (ECG) sensors and recorders, namely, non-downloadable software for monitoring heart rate and the heart's electrical activity, data storage, monitoring electrocardiograms and reporting associated data, analyzing and reporting heart beat and rhythm data; providing temporary use of online non-downloadable software for analyzing and reporting heart beat and rhythm data; providing temporary use of online non-downloadable software for analyzing and reporting electrocardiographic (ECG) signals and data; providing temporary use of online non-downloadable software for analyzing and reporting cardiac abnormalities, arrhythmia, atrial rhythms and ventricular rhythms; providing temporary use of online non-downloadable software for detecting, diagnosing and analyzing cardiac abnormalities, arrhythmia, atrial rhythms and ventricular rhythms in athletes