The CODO Monitor calculates and visualizes both time- and frequency-domain HRV indices using the electrocardiogram signal in real-time.
Main features
・Computing both time- and frequency-domain HRV indices in real-time
・The adaptive alert system effectively detects outliers based on personalized thresholds
・Simultaneous monitoring of short-term and long-term changes to help understand patients’ condition
・Exclusion of artifacts by using the exclude button during nursing and treatment
・Event annotation and notes capabilities to aid clinical review
DownLoad: Windows, Mac (last update: 16 July 2026)

Instllation for Mac
1: Install MATLAB Runtime (R2026a)
2: unzip the CODO.zip and move CODO.app to Application folder

Manual

Reference:
Nakano, T., Fujino, M., Miyata, M., Yoshikawa T. (2026), A Clinically Oriented Framework for Real-Time Heart Rate Variability Analysis: A Novel Approach To Personalized and Robust Monitoring. Journal of Medical Systems  50, 13. https://doi.org/10.1007/s10916-026-02342-z
Press Release (日本語、English)

The CODO Review is an offline analysis tool for HRV.
・calculates and visualizes the HRV indices.
・supports electrocardiogram signals (csv file) and CODO Monitor data (mat file).
・exports figure files and Excel file.
DownLoad: Windows , Mac  (last update: 19 June 2026)

Instllation for Mac
1: Install MATLAB Runtime (R2026a)
2: unzip the CODO_Review.zip and move CODO_Review.app to Application folder

When the downloaded Mac installer won't open (ダウンロードしたMac用インストーラが開けなかった時)