1271
The patient was admitted to the hospital , anticoagulated with unfractionated heparin , and given intravenous diltiazem for rate control and intravenous amiodarone for rate and rhythm control .
 heparin, diltiazem, amiodarone
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Disease, Chemical 
Text: {0} 
Answer:
 heparin, diltiazem, amiodarone