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                 BioSignetics Corporation
                                                                    Digital Stethoscope Company                             




For product manual follow this link below

List of Phonocardiograms for the heart sounds and lesions included in
the Biosignetics collection of real heart sounds:

1. Normal Heart Sound (4 heart beats shown, note intensity variation
and some background noise present in real sound)

S1 - waveforms (clicks) due to closure of mitral M1 and tricuspid T1 valves
S2 - waveforms (clicks) due to closure of Aortic A2 and Pulmonary P2 valves

                    S1         S2                       S1            S2                        S1            S2                  S1           S2 

2. Aortic Ejection Click-1 (1 heart beat shown)

                           AjCl  S1                                                          S2 

3. Aortic Ejection Click-2 (two heart beats shown)

                 EjCl S1                          S2                                        EjCl S1                            S2 

4. Mitral Regurgitation (3 heart beats shown)

               S1  Sys.Murm   S2                       S1  Sys.Murm   S2                       S1  Sys.Murm   S2

5. Mitral Stenosis (two heart beats shown)

              S1   SMurm    S2       DiastMurmur                       S1   SMurm    S2       DiastMurmur

6. Mitral Valve Prolapse (single click, 3 heart beats)

                      S1       Click   S2                            S1        Click    S2                           S1       Click    S2

7. Mitral valve prolapse (multiple -3 clicks)

                    S1   Cls     S2                    S1    Cls   S2                   S1     Cls  S2                    S1     Cls  S2 

8. Mitral valve prolapse with Mitral Regurgitation

9. S3 heart sound (normal), systolic murmur is present

10. Innocent Still's Systolic (musical) murmur

11. Complete AV Block

12. Gallop Rythm

13. Congestive Heart Failure (Rales)

14. Normal Heart Sound (tricuspid)

15. Normal S2 (LSB2SP)

16. Aortic Regurgitation


17. Atrial Septal Defect (ASD)

18. Patent Ductus Arteriosus (PDA)


19. Pulmonary Valve Stenosis


20. Innocent Systolic Flow Murmur


21. Coarctation of Aorta

22. Aortic Valve Stenosis

23a. Venous Hum

23b. Venous Hum above Clavicle

24. Bicuspid Aortic Valve


25. Aortic Stenosis and Aortic Regurgitation


26.Small Ventricular Septal Defect (VSD)


27. Ventricular Septal Defect (VSD)


All Materials and Images are subject to the Copyright.
Copyright: 2004-2009 BioSignetics Corporation
Last modified: 02/02/09