1766
OBJECTIVES : To assess the added diagnostic value of a new cardiac performance index ( dP / dtejc ) measurement , based on brachial artery flow changes , as compared to standard 12 - lead ECG , for detecting dobutamine - induced myocardial ischemia , using Tc99m - Sestamibi single - photon emission computed tomography as the gold standard of comparison to assess the presence or absence of ischemia .
 Chemical: dobutamine; Disease: myocardial ischemia; Chemical: Tc99m - Sestamibi; Disease: ischemia
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Disease, Chemical 
Text: {0} 
 Entities: dobutamine, myocardial ischemia, Tc99m - Sestamibi, ischemia 
Answer:
 Chemical: dobutamine; Disease: myocardial ischemia; Chemical: Tc99m - Sestamibi; Disease: ischemia