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Table 2

From: Does moving away from the center frequency resonance benefit or hurt the valvular structure evaluation? A study of on and off peak resonance

Mitral valve leaflet measurements

Image

S1 mitral leaflet (mm)

S3 mitral leaflet (mm)

Difference between each degree offset

    

S1/S3

Comparison to Peak CFR

Subject A

Peak CFR

2.1

2.2

  
 

30° off peak CFR

2.0

2.1

0.1/0.1

0/30 degree

 

60° off peak CFR

2.0

1.9

0.1/0.3

0/60 degree

 

90° off peak CFR

2.0

1.8

0.1/0.4

0/90 degree

Subject B

Peak CFR

2.9

2.9

  
 

30° off peak CFR

2.4

2.4

0.5/0.5

0/30 degree

 

60° off peak CFR

2.2

2.4

0.7/0.5

0/60 degree

 

90° off peak CFR

2.1

2.2

0.8/0.7

0/90 degree