Heart rate time series for 5 different groups of healthy subjects can be found
in text form in the subdirectories of this one:
- chi: Chi meditation group. There are
two time series for each of the eight subjects (C1, C2, ... C8),
denoted by record names with the suffix pre for the
pre-meditation period and med for the meditation period.
Each series is about one hour in duration.
- yoga: Kundalini Yoga meditation
group. As for the Chi group, there are pre and
med series for each of the four subjects (Y1, Y2, Y3,
Y4). Durations range from 17 to 47 minutes.
- normal: Spontaneous breathing group
(N1, N2, ... N11). Volunteers were recorded while sleeping.
Durations are 6 hours each, except for N3 (4.6 hours).
- metron: Metronomic breathing group
(M1, M2, ... M14). Volunteers were recorded while supine and
breathing at a fixed rate of 0.25 Hz for 10 minutes.
- ironman: Elite athletes (I1, I2, ... I9).
Subjects participated in the
Ironman Triathlon;
the recordings were obtained during sleeping hours before the event.
Durations range from 1 to 1.7 hours.
A detailed description of these 5 groups can be found in the original
article (reference below).
For each recording, in addition to the text file, there are (in this directory)
a binary annotation file (with suffix .qrs) and a text header file
(with suffix .hea), written in the standard formats used for other
PhysioBank databases. Each set of three files has a common record name
composed of a group identifier and a subject identifier (number). Although all
beats are marked normal in these recordings, there may be small numbers of
abnormal beats.
The text files contain the same information as in the annotation and header
files, and may be reproduced from the annotation and header files using the
program ihr, available here.
The first column in each text file is the elapsed time since the beginning of
the recording (in seconds), and the second column is the instantaneous heart
rate (in beats/minute). Note that these recordings generally contain lengthy
unannotated intervals preceding the first annotation.
Reference
Name Last modified Size Description
![[DIR]](/icons/back.gif)
Parent Directory -
![[DIR]](/icons/folder.gif)
yoga/ 15-Jan-2001 21:21 -
normal/ 15-Jan-2001 21:21 -
metron/ 15-Jan-2001 21:20 -
![[TXT]](/icons/text.gif)
local.css 28-Oct-2015 22:53 3.1K
ironman/ 15-Jan-2001 21:20 -
chi/ 15-Jan-2001 21:17 -
![[ ]](/icons/binary.gif)
Y4pre.qrs 20-Jan-2000 16:18 896 unaudited annotations
Y4pre.hea 20-Jan-2000 16:18 15 header file
Y4med.qrs 20-Jan-2000 16:18 1.8K unaudited annotations
Y4med.hea 20-Jan-2000 16:18 15 header file
Y3pre.qrs 20-Jan-2000 16:18 1.4K unaudited annotations
Y3pre.hea 20-Jan-2000 16:18 15 header file
Y3med.qrs 20-Jan-2000 16:18 1.8K unaudited annotations
Y3med.hea 20-Jan-2000 16:18 15 header file
Y2pre.qrs 20-Jan-2000 16:18 1.4K unaudited annotations
Y2pre.hea 20-Jan-2000 16:18 15 header file
Y2med.qrs 20-Jan-2000 16:18 2.2K unaudited annotations
Y2med.hea 20-Jan-2000 16:18 15 header file
Y1pre.qrs 20-Jan-2000 16:18 1.1K unaudited annotations
Y1pre.hea 20-Jan-2000 16:18 15 header file
Y1med.qrs 20-Jan-2000 16:18 2.0K unaudited annotations
Y1med.hea 20-Jan-2000 16:18 15 header file
![[ ]](/icons/index.gif)
RECORDS 25-Feb-2012 09:21 253 list of record names
N9.qrs 20-Jan-2000 16:17 53K unaudited annotations
N9.hea 20-Jan-2000 16:17 12 header file
N8.qrs 20-Jan-2000 16:17 50K unaudited annotations
N8.hea 20-Jan-2000 16:17 12 header file
N7.qrs 20-Jan-2000 16:17 39K unaudited annotations
N7.hea 20-Jan-2000 16:17 12 header file
N6.qrs 20-Jan-2000 16:17 45K unaudited annotations
N6.hea 20-Jan-2000 16:17 12 header file
N5.qrs 20-Jan-2000 16:17 33K unaudited annotations
N5.hea 20-Jan-2000 16:17 12 header file
N4.qrs 20-Jan-2000 16:17 49K unaudited annotations
N4.hea 20-Jan-2000 16:17 12 header file
N3.qrs 20-Jan-2000 16:17 33K unaudited annotations
N3.hea 20-Jan-2000 16:17 12 header file
N2.qrs 20-Jan-2000 16:16 42K unaudited annotations
N2.hea 20-Jan-2000 16:16 12 header file
N11.qrs 20-Jan-2000 16:17 42K unaudited annotations
N11.hea 20-Jan-2000 16:17 13 header file
N10.qrs 20-Jan-2000 16:17 53K unaudited annotations
N10.hea 20-Jan-2000 16:17 13 header file
N1.qrs 20-Jan-2000 16:16 42K unaudited annotations
N1.hea 20-Jan-2000 16:16 12 header file
M9.qrs 20-Jan-2000 16:15 1.2K unaudited annotations
M9.hea 20-Jan-2000 16:15 12 header file
M8.qrs 20-Jan-2000 16:15 1.5K unaudited annotations
M8.hea 20-Jan-2000 16:15 12 header file
M7.qrs 20-Jan-2000 16:15 940 unaudited annotations
M7.hea 20-Jan-2000 16:15 12 header file
M6.qrs 20-Jan-2000 16:15 1.2K unaudited annotations
M6.hea 20-Jan-2000 16:15 12 header file
M5.qrs 20-Jan-2000 16:15 1.0K unaudited annotations
M5.hea 20-Jan-2000 16:15 12 header file
M4.qrs 20-Jan-2000 16:15 1.1K unaudited annotations
M4.hea 20-Jan-2000 16:15 12 header file
M3.qrs 20-Jan-2000 16:15 1.0K unaudited annotations
M3.hea 20-Jan-2000 16:15 12 header file
M2.qrs 20-Jan-2000 16:15 1.3K unaudited annotations
M2.hea 20-Jan-2000 16:15 12 header file
M14.qrs 20-Jan-2000 16:16 1.2K unaudited annotations
M14.hea 20-Jan-2000 16:16 13 header file
M13.qrs 20-Jan-2000 16:16 1.1K unaudited annotations
M13.hea 20-Jan-2000 16:16 13 header file
M12.qrs 20-Jan-2000 16:16 1.4K unaudited annotations
M12.hea 20-Jan-2000 16:16 13 header file
M11.qrs 20-Jan-2000 16:16 1.3K unaudited annotations
M11.hea 20-Jan-2000 16:16 13 header file
M10.qrs 20-Jan-2000 16:16 1.3K unaudited annotations
M10.hea 20-Jan-2000 16:16 13 header file
M1.qrs 20-Jan-2000 16:15 1.5K unaudited annotations
M1.hea 20-Jan-2000 16:15 12 header file
I9.qrs 20-Jan-2000 16:13 8.2K unaudited annotations
I9.hea 20-Jan-2000 16:13 12 header file
I8.qrs 20-Jan-2000 16:13 8.2K unaudited annotations
I8.hea 20-Jan-2000 16:13 12 header file
I7.qrs 20-Jan-2000 16:13 8.2K unaudited annotations
I7.hea 20-Jan-2000 16:13 12 header file
I6.qrs 20-Jan-2000 16:13 8.2K unaudited annotations
I6.hea 20-Jan-2000 16:13 12 header file
I5.qrs 20-Jan-2000 16:13 8.2K unaudited annotations
I5.hea 20-Jan-2000 16:13 12 header file
I4.qrs 20-Jan-2000 16:13 8.2K unaudited annotations
I4.hea 20-Jan-2000 16:13 12 header file
I3.qrs 20-Jan-2000 16:13 8.2K unaudited annotations
I3.hea 20-Jan-2000 16:13 12 header file
I2.qrs 20-Jan-2000 16:12 8.2K unaudited annotations
I2.hea 20-Jan-2000 16:12 12 header file
I1.qrs 20-Jan-2000 16:12 8.2K unaudited annotations
I1.hea 20-Jan-2000 16:12 12 header file
![[ ]](/icons/unknown.gif)
DOI 21-Sep-2015 19:00 19
C8pre.qrs 20-Jan-2000 16:12 9.9K unaudited annotations
C8pre.hea 20-Jan-2000 16:12 15 header file
C8med.qrs 20-Jan-2000 16:11 9.9K unaudited annotations
C8med.hea 20-Jan-2000 16:11 15 header file
C7pre.qrs 20-Jan-2000 16:12 9.5K unaudited annotations
C7pre.hea 20-Jan-2000 16:12 15 header file
C7med.qrs 20-Jan-2000 16:11 13K unaudited annotations
C7med.hea 20-Jan-2000 16:11 15 header file
C6pre.qrs 20-Jan-2000 16:12 8.7K unaudited annotations
C6pre.hea 20-Jan-2000 16:12 15 header file
C6med.qrs 20-Jan-2000 16:11 7.8K unaudited annotations
C6med.hea 20-Jan-2000 16:11 15 header file
C5pre.qrs 20-Jan-2000 16:11 8.8K unaudited annotations
C5pre.hea 20-Jan-2000 16:11 15 header file
C5med.qrs 20-Jan-2000 16:11 7.6K unaudited annotations
C5med.hea 20-Jan-2000 16:11 15 header file
C4pre.qrs 20-Jan-2000 16:11 9.3K unaudited annotations
C4pre.hea 20-Jan-2000 16:11 15 header file
C4med.qrs 20-Jan-2000 16:11 7.2K unaudited annotations
C4med.hea 20-Jan-2000 16:11 15 header file
C3pre.qrs 20-Jan-2000 16:11 9.3K unaudited annotations
C3pre.hea 20-Jan-2000 16:11 15 header file
C3med.qrs 20-Jan-2000 16:11 7.4K unaudited annotations
C3med.hea 20-Jan-2000 16:11 15 header file
C2pre.qrs 20-Jan-2000 16:11 9.3K unaudited annotations
C2pre.hea 20-Jan-2000 16:11 15 header file
C2med.qrs 20-Jan-2000 16:10 8.5K unaudited annotations
C2med.hea 20-Jan-2000 16:10 15 header file
C1pre.qrs 20-Jan-2000 16:11 7.9K unaudited annotations
C1pre.hea 20-Jan-2000 16:11 15 header file
C1med.qrs 20-Jan-2000 16:10 7.9K unaudited annotations
C1med.hea 20-Jan-2000 16:10 15 header file
ANNOTATORS 14-Oct-2000 04:37 58 list of annotators
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Friday, 28-Oct-2016 22:58:42 CEST
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