Dec. 1, 2009
Prepare for the PhysioNet/Computers in Cardiology Challenge 2010, Mind the Gap
! A set of training data
is now available. The Challenge begins on 1 January.
Read more: https://physionet.org/challenge/2010/
Nov. 27, 2009
The entire European ST-T Database
, a landmark set of expert-annotated recordings for study of the ECG manifestation of myocardial ischemia and for development and evaluation of methods for quantifying ST and T changes in the ECG, is now available on PhysioNet. Roughly half of the database was previously contributed to PhysioNet in September, 2000; this new contribution makes the entire database available for free use by researchers for the first time.
Read more: https://physionet.org/physiobank/database/edb/
Sept. 29, 2009
Read more: https://physionet.org/physiobank/call-for-data/emg.shtml
Sept. 9, 2009
A set of 64-channel EEGs
from subjects who performed a series of motor/imagery tasks has been contributed to PhysioBank by the developers of the BCI2000
instrumentation system for brain-computer interface research.
Read more: https://physionet.org/physiobank/database/eegmmidb/
July 7, 2009
In its issue of June 2009, Chaos
has published a special section containing nine papers that address the question "Is the normal heart rate chaotic?"
. The discussion was initiated last year as a joint effort of Chaos
and PhysioNet, which provided a collection of fifteen 20-24 hour RR interval time series
derived from three PhysioBank ECG databases as a common focus for investigation of this question.
Read more: https://web.archive.org/web/20091002203442/http://blogs.aip.org/ControversiesInChaos/
May 5, 2009
We are pleased to announce that a limited distribution of the entire MIMIC II Clinical Database
, containing data for over 26,000 subjects, has been contributed to PhysioBank and is now available to qualified researchers. Details are available here
Read more: https://physionet.org/physiobank/database/mimic2cdb-ps/
April 27, 2009
Over 1300 records have been added to the MIMIC II Waveform Database
, bringing the total to over 4000 multi-parameter records from ICU patients, each typically several days in length, with many that are much longer. The new records include data from 249 neonatal ICU patients, a population not previously represented in PhysioBank. [Numbers of records have been corrected as of 30 July 2009.]
Read more: https://physionet.org/physiobank/database/mimic2db/
March 16, 2009
PhysioBank's Automated Teller Machine
, a self-service facility for exploring PhysioBank using a web browser, is now on-line. Replacing the original PhysioBank web services introduced in 2000, the ATM offers a variety of tools for visualizing PhysioBank data and converting them to text, EDF, or .mat files, and more.
Read more: https://physionet.org/cgi-bin/ATM
March 5, 2009
The WFDB Software Package
, versions 10.4.17 and later, includes wfdb2mat
, a program that converts all or any desired portion of the signals in any PhysioBank or compatible record to a
file that can be read by Matlab or Octave. If the original signal files have not been downloaded from PhysioNet, <tt>wfdb2mat</tt> can read them directly from the PhysioNet server. The <tt>.mat</tt> files generated by <tt>wfdb2mat</tt> are also directly readable by dozens of other applications in the WFDB Software Package, including WAVE
Read more: https://physionet.org/physiotools/wag/wfdb2m-1.htm
Feb. 4, 2009
A few days ago, the first 60 patient records from the MIMIC II Clinical Database
were posted, as part of the training set for our annual challenge (see the news item immediately below). A new tutorial, Using the MIMIC II Database
, is now available to help challenge participants and others interested in this collection and in linking it with the recorded physiologic signals and time series of vital signs from the same patients in the MIMIC II Waveform Database
Read more: https://physionet.org/physiobank/tutorials/using-mimic2/
Jan. 27, 2009
The 10th annual PhysioNet/Computers in Cardiology Challenge
is underway. Participants are invited to identify which ICU patients are likely to experience sudden and severe drops in blood pressure. Successful prediction of these acute hypotensive events may lead to improved care and survival of patients at risk. The Challenge culminates in September with presentations by participants at a dedicated scientific session of Computers in Cardiology
in Park City, Utah.
Read more: https://physionet.org/challenge/2009/
Jan. 26, 2009
Heart Rate Variability Analysis with the HRV Toolkit: Basic Time and Frequency Domain Measures
is a new tutorial that describes how to use the HRV toolkit (an accompanying software package created for PhysioNet by Joe Mietus) to select and prepare time series of inter-beat intervals and to calculate measurements of the basic time- and frequency-domain HRV statistics that are widely used in the literature. Particular attention is given to techniques for identifying and dealing with outliers, in order to permit reliable determination of measurements.
Read more: https://physionet.org/tutorials/hrv-toolkit/