D-dimer in Cavernous sinus Thrombosis
Date First Published:
October 21, 2008
Last Updated:
August 21, 2009
Report by:
Varun Kumar, ST5 Emergency medicine (Queens Medical Centre )
Search checked by:
Varun Kumar, Queens Medical Centre
Three-Part Question:
In [patients presenting to ED with Acute Headaches] does [ Negative D-dimer] rule out [cavernous Sinus Thrombosis]
Clinical Scenario:
60 Lady presents with headaches < 72 hours in duration and vague neurological signs. you are not sure what the diagnosis might be and think of cavernous Sinus thrombosis . You get a CT head which is normal . You think if a D-dimer levels were low could you exlude Cavernous sinus thrombosis a dangerous cause of Headaches.