2776
Administration of the local anaesthetic bupivacaine ( 1 . 5 or 2 mg / kg , i . v . ) to rats elicited a marked decrease of mean arterial blood pressure ( MBP ) and heart rate ( HR ) leading to death ( in 67 % or 90 % of animals respectively ) .
 Chemical: bupivacaine; Disease: decrease of mean arterial blood pressure ( MBP ) and heart rate ( HR )
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: bupivacaine; Disease: decrease of mean arterial blood pressure ( MBP ) and heart rate ( HR )