5916
CONCLUSION : The chronic use of HCQ for rheumatic diseases , or as an anti - malarial drug , should be balanced against the risk of developing potentially lethal cardiac arrhythmias .
 cardiac arrhythmias, HCQ
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:
 cardiac arrhythmias, HCQ