| name | description | unit | data_type | example |
| subject_id | An identifier for the subject which aligns across the | | int | 001, 002 |
| file_name | The Name of the files which corresponds to the subject | | string | x001, x002 |
| gender | The gender of the subject. M for male and F for female | | char | M, F |
| age | The exact age of the subject. | years | float | 5.5 |
| diagnosis | The diagnosis provided for the subject. | | string | AVRT |
| ap_loacation | The location of the Accessory Pathway | | string | right posteroseptal |
| ecg_duration | The duration of the ecg that is provided for the subject in H:m:s.SSS | | string | 2:25:29.201 |
| H | hours | h | int | 2 |
| m | minutes | m | int | 25 |
| s | seconds | s | int | 29 |
| SSS | millisecond | ms | int | 201 |