3294
AV block , severe hypotension , and impairment of ventricular function .
 AV block, hypotension, impairment of ventricular function
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Disease, Chemical 
Text: {0} 
Answer:
 AV block, hypotension, impairment of ventricular function