1924
BACKGROUND : Most patients presenting to emergency departments ( EDs ) with cocaine - associated chest pain are admitted for at least 12 hours and receive a " rule out acute coronary syndrome " protocol , often with noninvasive testing prior to discharge .
 Chemical: cocaine; Disease: chest pain; Disease: acute coronary syndrome
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:
 Chemical: cocaine; Disease: chest pain; Disease: acute coronary syndrome