4400
Prolongation of the QT interval related to cisapride - diltiazem interaction .
 Disease: Prolongation of the QT interval; Chemical: cisapride; Chemical: diltiazem
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Disease, Chemical 
Text: {0} 
Answer:
 Disease: Prolongation of the QT interval; Chemical: cisapride; Chemical: diltiazem