1771
The authors report a case of a patient who received alteplase for acute myocardial infarction and developed spontaneous subfascial hematoma without any evidence of direct trauma.
 adverse event: developed 
Please tell me event type and its trigger word from given type options. Output format is "type: trigger".  Option: adverse event, potential therapeutic event 
Text: {0} 
Answer:
 adverse event: developed 