2008 News



TWAnalyser is open-source software for detecting and measuring T-wave alternans in the ECG, originally developed for the recently-concluded PhysioNet/CinC Challenge 2008. Detailed notes on installing and using TWAnalyser are now available.

Published: Nov. 18, 2008.


Chaos challenge database

The journal Chaos will publish a special issue containing discussion of the question "Is the normal heart rate chaotic?" in 2009. To provide a common focus for investigation of this question, a collection of fifteen 20-24 hour RR interval time series derived from three PhysioBank ECG databases is now available for study.

Published: Oct. 30, 2008.


Long Term AF Database

The Long Term AF Database, a collection of 84 two-lead 24-hour ECG recording of subjects with paroxysmal and sustained atrial fibrillation, is now available.

Published: Oct. 30, 2008.


Results from the PhysioNet/CinC Challenge 2008

Congratulations to the winners of the PhysioNet/CinC Challenge 2008 on the subject of T-wave alternans. Final results are now available: scores, reference rankings of the Challenge 2008 data set, and the open source software contributed by participants in the open source division of the Challenge.

Published: Sept. 22, 2008.


Stress Recognition in Automobile Drivers

A collection of multiparameter recordings created to study stress recognition in automobile drivers has been contributed to PhysioNet. The database contains recordings from healthy volunteers taken while they were driving on a prescribed route including city streets and highways in and around Boston. Signals recorded include ECG, EMG, GSR, and respiration.

Published: May 15, 2008.


St. Petersburg Institute of Cardiological Technics 12-lead Arrhythmia Database

The St. Petersburg Institute of Cardiological Technics 12-lead Arrhythmia Database has been contributed to PhysioNet by its creators. It consists of 75 half-hour recordings extracted from 32 Holter records from patients undergoing tests for coronary artery disease, with reference annotation files containing over 175,000 beat annotations in all.

Published: May 1, 2008.


PhysioNet/CinC Challenge 2008

The PhysioNet/Computers in Cardiology Challenge 2008 is underway. The topic of this, the ninth open challenge in our annual series, is detection and quantification of T-wave alternans.

Published: March 17, 2008.


How to obtain PhysioBank data in text form

A newly posted tutorial describes How to obtain PhysioBank data in text form.

Published: Feb. 26, 2008.


Gait in Parkinson's Disease

PhysioBank now includes a large database of Gait in Parkinson's Disease, a collection of multichannel recordings from force sensors beneath the feet of 93 patients with Parkinson's Disease, and 73 healthy controls, collected from three studies.

Published: Feb. 25, 2008.