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Table 1 Electrocardiogram measurement over 8 years

From: Continuous electrocardiogram changes preceding phenotypic expression for 8 years in an athlete with hypertrophic cardiomyopathy: a case report

Date

TWIs depth (mm)

Q-wave duration (ms)

Q-wave depth (mm)

Q/R (%)

I

avL

II

III

avF

II

III

avF

II

III

avF

28/12/2009

1

5

40

40

40

4

6

4

40

43

33

21/11/2010

1

4

40

40

40

2

3.5

5.1

40

50

43

05/11/2011

2

4

40

40

40

6

8

5

60

67

42

03/11/2013

2.5

5

40

50

50

4

6

4

67

100

100

25/10/2015

5

5

40

50

40

3.5

5

4

58

125

200

20/10/2016

3.5

6

40

60

50

4

7

5

80

233

200

25/09/2017

3

5

40

50

40

3

5

4

60

100

133

  1. TWIs T-wave inversions