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 a phrase that describes the relationship between two words, extract the words and the lexical relationship between them. The output format should be "relation1: word1, word2; relation2: word3, word4". 
Option: adverse effect 
Text: {0} 
Answer:
 adverse effect: acute ischemia, dofetilide; adverse effect: Marked QT prolongation, dofetilide; adverse effect: torsades de pointes, dofetilide