5763
A 12 year old patient with atrial flutter is presented , in whom intravenous adenosine was followed by acceleration of the heart rate to a potentially dangerous arrhythmia .
 acceleration of the heart rate, adenosine; arrhythmia, adenosine
Please list all entity pairs containing a certain relationship in the given options.Output format is "word1, word2; word3, word4". 
Option: adverse effect 
Text: {0} 
Answer:
 acceleration of the heart rate, adenosine; arrhythmia, adenosine