8377
Evidence is shown in this report that adenosine was associated with dangerous worsening of arrhythmia in patients with atrial flutter .
 adverse effect: arrhythmia, adenosine
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: arrhythmia, adenosine