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In our patient , transient cardiac arrhythmia or respiratory dysfunction related to cocaine and / or ethanol use were the most likely causes of cerebral hypoperfusion .
 Disease: cardiac arrhythmia; Disease: respiratory dysfunction; Chemical: cocaine; Chemical: ethanol; Disease: cerebral hypoperfusion
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:
 Disease: cardiac arrhythmia; Disease: respiratory dysfunction; Chemical: cocaine; Chemical: ethanol; Disease: cerebral hypoperfusion