Table 1.
Control, n = 31 | Nonepileptic, n = 28 | Epilepsy, n = 31 | p | |
---|---|---|---|---|
Age, mo | 79 ± 12 | 49 ± 9 | 71 ± 11 | NS |
Gender, M/F | 20/11 | 21/7 | 18/13 | NS |
PICU LOS, days | 3 [0.4–28] | 2 [0.5–18] | 1 [0.5–24] | NS |
Seizure duration, min | NA | 30 ± 9a | 31 ± 11b | NS |
Generalized tonic–clonic seizures | 14 (50%) | 18 (58%) | NS | |
Febrile status epilepticus | NA | 5 (18%) | 0 (0%) | <0.05 |
Number of acute AEDs | NA | 2 [1–3] | 2 [0–3] | NS |
Fosphenytoin use | NA | 17 (61%) | 16 (52%) | NS |
Interval between seizure cessation and ECG, h | NA | 5 [1.5–15] | 3 [1–4.8] | NS |
ECG indication | ||||
Seizure etiology evaluation | 0 | 11 (39%) | 5 (16%) | NS |
Tachycardia | 6 (19%) | 1 (4%) | 2 (7%) | |
Bradycardia | 2 (6%) | 1 (4%) | 1 (3%) | |
Atrial tachycardia | 2 (6%) | 0 | 0 | |
Arrhythmia | 4 (13%) | 4 (14%) | 6 (19%) | |
Evaluate ST segment | 0 | 6 (21%) | 8 (26%) | |
Evaluate QT interval | 1 (3%) | 2 (7%) | 4 (13%) | |
Evaluate heart disease | 9 (29%) | 0 | 0 | |
Chest pain | 3 (10%) | 0 | 0 | |
Otherc | 4 (13%) | 3 (11%) | 5 (16%) |
Values are expressed as mean ± standard error of the mean, median [min–max], or n (%).
AED, antiepileptic drug; ECG, electrocardiogram; F, female; LOS, length of stay; M, male; NS, not significant; PICU, Pediatric Intensive Care Unit.
n = 22.
n = 25.
Other indications include syncope, murmur, hypertension, and hyperkalemia.