11970
Marked QT prolongation and torsades de pointes secondary to acute ischemia in an elderly man taking dofetilide for atrial fibrillation : a cautionary tale .
 adverse effect: acute ischemia, dofetilide; adverse effect: Marked QT prolongation, dofetilide; adverse effect: torsades de pointes, dofetilide
Given options, please tell me the relationships of all the listed entity pairs.Output format is "relation1: word1, word2; relation2: word3, word4". 
Option: adverse effect 
Text: {0} 
 Entity Pairs:  acute ischemia, dofetilide; Marked QT prolongation, dofetilide; torsades de pointes, dofetilide 
Answer:
 adverse effect: acute ischemia, dofetilide; adverse effect: Marked QT prolongation, dofetilide; adverse effect: torsades de pointes, dofetilide