The CardioDay Holter Analysis Software is designed for the acquisition, analysis, edit, review, report, and storage of ambulatory and multi-parameter ECG data.Results of the automated analysis are intended to assist the physician in the interpretation of the recorded data. This information is not intended to serve as a substitute for the physician overread of the recorded ECG data. The CardioDay system is intended to be used by trained operators under the direct supervision of a licensed healthcare practitioner in a hospital or clinic environment.