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Table 1 Heart Sound Types in the Training Set

From: A framework for automatic heart sound analysis without segmentation

Heart Sound Type

Number of Files

Normal

12

Third Heart Sound

4

Fourth Heart Sound

3

Ejection Sound

2

Systolic Click

2

Summation Gallop

1

Opening Snap

2

Split S2

4

Aortic Regurgitation (m)

6

Aortic Stenosis (m)

6

Mitral Regurgitation (m)

6

Mitral Stenosis (m)

5

Pulmonary Stenosis (m)

4

  1. This table lists the type of heart sounds that were used in the experiment. The (m) indicate the heart sound is a murmur.