Symptom Information: Sort according to HPO 

1
(HPO:0001279) Syncope Very frequent [IBIS] 25274057; 20301308 IBIS 94 / 7739
2
(HPO:0001657) Prolonged QT interval Very frequent [IBIS] 25274057 IBIS 33 / 7739
3
(HPO:0005135) EKG: T-wave abnormalities Very frequent [IBIS] 20301308 IBIS 19 / 7739
4
(HPO:0001692) Primary atrial arrhythmia Frequent [IBIS] 33% (n=21) 19017345 IBIS 16 / 7739
5
(HPO:0001663) Ventricular fibrillation Frequent [IBIS] 25274057 IBIS 35 / 7739
6
(HPO:0001664) Torsade de pointes Frequent [IBIS] 25274057; 20301308 IBIS 15 / 7739
7
(HPO:0012266) T-wave alternans Frequent [IBIS] 25274057; 25800484 IBIS 8 / 7739
8
(HPO:0001645) Sudden cardiac death 25274057 IBIS 84 / 7739
9
(HPO:0001695) Cardiac arrest 25274057 IBIS 87 / 7739
10
(HPO:0001250) Seizures 25274057 IBIS 1245 / 7739
11
(HPO:0011097) Epileptic spasms 25274057 IBIS 45 / 7739
12
(HPO:0004756) Ventricular tachycardia 25274057 IBIS 55 / 7739
13
(HPO:0004308) Ventricular arrhythmia 1884444 IBIS 46 / 7739
14
(HPO:0005184) Prolonged QTc interval 25800484 IBIS 5 / 7739