182
He was started on digoxin , 0.25 mg daily , because of echocardiographically demonstrated left ventricular dilatation and functional impairment ; he died of ventricular fibrillation 15 days later .
 functional impairment, digoxin; left ventricular dilatation, digoxin; ventricular fibrillation, digoxin
Please list all entity pairs containing a certain relationship in the given options.Output format is "word1, word2; word3, word4". 
Option: adverse effect 
Text: {0} 
Answer:
 functional impairment, digoxin; left ventricular dilatation, digoxin; ventricular fibrillation, digoxin