Heart energy signature spectrogram for cardiovascular diagnosis

doi:10.1186/1475-925X-6-16

BioMedical Engineering OnLine

Volume 6

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Heart energy signature spectrogram for cardiovascular diagnosis

Vladimir Kudriavtsev¹ , Vladimir Polyshchuk² and Douglas L Roy³

¹Biosignetics Corporation, Toronto, Canada

²Biosignetics Corporation, 29 Downing Ct, Exeter, New Hampshire 03833, USA

³Department of Cardiology, Izaak Walton Killam Children's Health Center, Dalhousie Medical School, Halifax, Nova Scotia, Canada

author email corresponding author email

BioMedical Engineering OnLine 2007, 6:16doi:10.1186/1475-925X-6-16


Published:	4 May 2007

Additional files

Additional file 1:

Innocent Still's Murmur 1. Binary soundtrack of an innocent murmur used in Figures 2 and 10. Heart sound is recorded at the apex.

Format: WAV Size: 57KB Download file

Additional file 2:

Innocent Stills Murmur 2. Binary soundtrack of an innocent murmur used in Figures 3 and 4. Heart sound is recorded at LSB, 2nd space.

Format: WAV Size: 36KB Download file

Additional file 3:

Test file for S2 split detection. Binary soundtrack of realistically simulated two S2 heart sound splits shown in Figure 6. Each split has its own characteristic interval.

Format: WAV Size: 12KB Download file

Additional file 4:

Clinical Recording of VSD. Supplemental study that illustrates Heart Energy Signature (HES) characterization of Ventricular Septal Defect (VSD), illustrates accuracy of end point detection using phonocardiogram, various filters, HES.

Format: PDF Size: 751KB Download file

This file can be viewed with: Adobe Acrobat Reader

Additional file 5:

Mitral Valve Prolapse with 3 clicks. sound track for Fig. 11.

Format: WAV Size: 26KB Download file

Additional file 6:

Aortic Stenosis. sound track for Fig. 12.

Format: WAV Size: 24KB Download file

Additional file 7:

Pulmonary Stenosis. sound track for Fig. 13.

Format: WAV Size: 33KB Download file

Additional file 8:

Tetralogy of Fallot (acyanotic). sound track for Fig. 14.

Format: WAV Size: 35KB Download file

Additional file 9:

Ventricular Septal Defect (VSD). Sound track for Additional file 4

Format: WAV Size: 31KB Download file