Previous sources of hemorrhage are visible from a directexamination with a nasal speculum and a bright light. If the sourcecan not be diagnosed and recurrent bleeding is strong, it is necessary to carry out an endoscopy.
The following laboratory tests are recommended in the presence ofserious bleeding or if a coagulopathy is suspected:
»hematocrit - in the presence of persistent bleeding
»formula blood count (NFS) - in the presence of recurrent epistaxisor bleeding disorders.
'bleeding time (TS) - This test is performed in the presence of asuspected coagulopathy
"prothrombin time - test performed if the patient takes warfarin or ifliver disease is suspected
Other tests:
"computed tomography (CT) - can be done if a foreign body is suspected, a tumor, a fracture or sinusitis.
»angiography is rarely indicated
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