Table 1 |
||||||||
|
Clinical characteristics of mutation carriers with KCNH2 A490T/K897T in family QW2648 |
||||||||
|
- |
Age (yr) |
Average HR (beats/min) |
Low HR (beats/min) |
Bradycardia (runs/24 h × beats/min) |
High QTc (s) |
Low QTc (s) |
QTc exercise (s) |
Syncope (times) |
|
|
||||||||
|
I:1 |
72 |
67 |
N/A |
N/A |
0.48 |
0.43 |
N/A |
1 |
|
II:2 |
35 |
66 |
N/A |
N/A |
0.47 |
0.47 |
N/A |
0 |
|
II:3 |
40 |
61 |
43 |
N/A |
0.47 |
0.42 |
N/A |
multiple |
|
III:1 |
17 |
56 |
53 |
N/A |
0.45 |
0.44 |
N/A |
0 |
|
III:3 |
17 |
46 |
44 |
N/A |
0.43 |
0.43 |
0.49 |
1 |
|
III:4 |
15 |
55 |
44 |
27 × 34 |
0.45 |
0.42 |
0.48 |
0 |
|
III:5 |
11 |
61 |
47 |
32 × 34 |
0.44 |
0.41 |
0.50 |
0 |
|
Mean |
- |
58.86 |
46.20 |
- |
0.456 |
0.431 |
0.49 |
0 |
|
SEM* |
- |
22.25 |
1.55 |
- |
0.007 |
0.007 |
0.006 |
- |
|
|
||||||||
|
Zhang et al. BMC Medical Genetics 2008 9:87 doi:10.1186/1471-2350-9-87 |
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