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Table 2 Cattle with bradycardia and tachycardia

From: Time and frequency domain analysis of heart rate variability in cattle affected by bovine spongiform encephalopathy

Animal

HR

Gender

BSE status

Study

Animal Status

Age [m] (MPI)

Inoculum

Bradycardia

D121

31

Female

Positive

2

Inoculated

65 (59)*

100 g BSE brain

CM871

34

Male

Negative

4

Control

71*

None

D133

38

Female

Positive

2

Inoculated

62 (57)*

100 g BSE brain

 

42

    

61 (56)

 

CM875

38

Male

Negative

4

Control

71*

None

CV2721

38

Female

Positive

7

BSE field suspect

55*

Natural infection

CV2915

39

Female

Negative

7

BSE field suspect

70*

None

D11

40

Female

Negative

2

Control

95

None

D276

40

Female

Negative

2

Inoculated

94 (89)

1 g BSE brain

D281

41

Female

Negative

2

Inoculated

93 (88)

1 g BSE brain

 

43

    

94 (89)*

 

CL679

42

Male

Negative

1

Control

102 (99)*

Saline

CV2758

43

Female

Positive

7

BSE field suspect

105*

Natural infection

Tachycardia

CM879

121

Male

Negative

4

Control

101*

100 g BSE-free brain

CN1029

131

Male

Negative

1

Inoculated

88 (84)*

Thymus1

CM902

131

Male

Negative

3

Control

151*

None

CL705

141

Male

Negative

1

Inoculated

99 (96)*

Kidney2

CV2714

153

Female

Negative

7

BSE field suspect

32*

None

  1. * Last (of multiple recordings) or single ECG recording prior to cull.
  2. HR = heart rate, MPI = months post inoculation.
  3. 1 Pool from cattle orally challenged with 100 g BSE brainstem and culled at 6 months post challenge.
  4. 2 Pool from cattle orally challenged with 100 g BSE brainstem and culled at 18 months post challenge.