The dataset consisted of:(i) one folder and (ii) one .csv file. The folder contain 28 signal aquisitions (one for each subject) in .csv format. Each file is one simoultaneously recording of II lead ECG and common carotid LDV at 500 Hz sampling rate. The LDV-beat dataset.csv contain segment of LDV signal for a length of 75 point each. The LDV segment were labeled as "1" in the "beat" column when the first point was in correspandence of the R peak of the ECG, and labeled as "0" otherwise.