Assume posterior if measures to control anterior bleeding fail
Posterior bleeding associated with:
Coagulopathy
Significant hemorrhage visible in posterior nasopharynx
Sensation of blood dripping down throat
Hemorrhage from bilateral nares<unk>  uncontrolled with either anterior rhinoscopy or anterior pack
Coagulopathy
Significant hemorrhage visible in posterior nasopharynx
Sensation of blood dripping down throat
Hemorrhage from bilateral nares<unk>  uncontrolled with either anterior rhinoscopy or anterior pack
Epistaxis
Facial trauma
Syncope 
Coagulopathy
Syncope
Nasal tumor
Anaphylaxis
Juvenile Nasopharyngeal Angiofibroma 