1178
CONCLUSION : Careful observation of serum potassium concentration and the ECG should always be done during Bpd administration , particularly in elderly patients .
 Chemical: potassium; Chemical: Bpd
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: potassium; Chemical: Bpd