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STUDY OBJECTIVES : To measure concordance between different intensive care unit ( ICU ) clinicians and a consensus group of electrophysiology ( EP ) cardiologists for use of a common rate - corrected QT interval ( QTc ) - prolonging medication in cases containing different potential risk factor ( s ) for torsade de pointes ( TdP ) .
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Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
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