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Data

This directory should contain the ECG epoch data files needed to reproduce the paper's results.

Expected files

Place the following .mat files in this directory:

  • SegmentScores_Artifact_*.mat — 50 patient files, one per subject

Each .mat file contains:

  • ECG0: MATLAB cell array of valid (clean) ECG epochs (240 Hz)
  • ECG1: MATLAB cell array of artifact-containing ECG epochs (240 Hz)

Data source

The data consists of ECG recordings from 50 adult ICU patients with subarachnoid hemorrhage (SAH), collected at Massachusetts General Hospital between 2012-2015. ECGs were recorded at 240 Hz.

Contact the corresponding author (mwestover@mgh.harvard.edu) for data access.

Optional pre-computed files

These files are generated by the preprocessing pipeline and are not required if you run preprocess_data.py:

  • processed/features.pkl — Extracted RRI and adRRI features for all patients (generated by scripts/preprocess_data.py)