1732
However , the ECG changes characterized by prolonged P - R interval , and slow heart rate and low QRS amplitude in the late stage of bufadienolide intoxication were significantly enhanced .
 Chemical: bufadienolide
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 Chemical: bufadienolide