Causal Link between Ventricular Ectopy and Concussion
Table 1
Ventricular and supraventricular ectopy data from the 24-hour Holter monitor from April 2013 to October 2018.
Holter session date (day/month/year)
4/11/2013
mTBI 09/2016 10/2016
28/03/2017
06/07/2017
25/10/2017
21/02/2018
23/05/2018
16/10/2018
Ventricular ectopy
Ventricular runs
Total VE beats
22
9,350
15,968
1
45
87
167
% VE
0.00%
9.40%
18.10%
0.00%
0.00%
0.10%
0.20%
#No. of VE runs
0
0
0
0
0
0
0
VE beats
0
0
0
0
0
0
0
VE longest beat
0
0
0
0
0
0
0
VE fastest beat
0
0
0
0
0
0
0
Triplets
0
1
0
0
0
0
1
Couplets
3
6
4
0
0
2
5
Single PVCs
6
4,753
8,619
1
37
50
100
Interpreted PVCs
0
1
2
0
0
7
5
R on T PVCs
0
0
0
0
0
0
0
Single VEs
10
843
69
0
8
21
46
Late VEs
0
5
4
0
0
1
0
Bigeminy
0
427
533
0
0
0
0
Trigeminy
0
3,306
6,733
0
0
4
3
Supraventricular ectopy
Atrial runs
Total SVE beats
66
99
63
34
107
175
119
% SVE
0.10%
0.10%
0.10%
0.00%
0.10%
0.20%
0.10%
No. of atrial runs
2
2
0
0
3
2
1
AR beats
15
13
0
0
11
12
4
AR longest
12
10
0
0
5
7
4
AR fastest
107
128
0
0
112
119
132
Atrial pairs
1
2
2
1
5
1
5
Drop
0
0
0
0
0
0
0
Late
1
3
3
0
1
1
1
Longest N–N (s)
1.6
1.5
1.7
1.5
1.7
1.4
1.5
Single PACs
48
79
56
28
82
160
101
Bigeminy
0
0
0
4
3
0
3
Trigeminy
0
0
0
0
0
0
0
The two concussions (mTBI) are dated in the table. VE = ventricular ectopy; PACs = premature atrial contractions; PVCs = premature ventricular contractions; R on T (PVC) phenomenon = superimposition of an ectopic beat on the T-wave of a preceding beat; VE = supraventricular ectopy; AR = atrial runs. Amiodarone was administered following the Holter monitoring on 06/07/2017.
