Cite this post as:
Scott Weingart, MD FCCM. EMCrit 304 – Cerebral Venous Thrombosis (CVT). EMCrit Blog. Published on August 5, 2021. Accessed on April 26th 2024. Available at [https://emcrit.org/emcrit/cerebral-venous-thrombosis/ ].
Financial Disclosures:
Dr. Scott Weingart, Course Director, reports no relevant financial relationships with ineligible companies.
This episode’s speaker(s), (listed above), report no relevant financial relationships with ineligible companies.
CME Review
Original Release: August 5, 2021
Date of Most Recent Review: Jan 1, 2022
Termination Date: Jan 1, 2025
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CTa can also pick up most CVT at many shops. Another reason to CT plus CTa for all thunderclap headaches. The days of CT plus LP for thunderclap h/a are long gone.
Absolutely! completely agree – you’ll miss some cortical vein thrombi but you’ll catch the largest and likely the most clinically significant.
You mention the development of symptoms is usually over a few days, and while understanding the presentation is notoriously variable, what would you say your maximum cut off would be to rule it out? I’ve come across a few patients with new onset/atypical headaches with symptoms developing over a couple of weeks that I haven’t worked up for cvt based on the duration.
Also with the pathophysiology in mind, if a headache is transient/intermittent is it safe to say it’s also unlikely to be a CVT?