CT head (subdural window)

Last revised by Andrew Murphy ◉ on 23 Mar 2023

Citation, DOI, disclosures and article data

Citation:

Knipe H, Murphy A, Toumpanakis D, et al. CT head (subdural window). Reference article, Radiopaedia.org (Accessed on 25 Sep 2023) https://doi.org/10.53347/rID-48361

DOI:

https://doi.org/10.53347/rID-48361

Permalink:

https://radiopaedia.org/articles/48361

rID:

48361

Article created:

3 Oct 2016, Henry Knipe ◉ ◈

Disclosures:

At the time the article was created Henry Knipe had no recorded disclosures.

View Henry Knipe's current disclosures

Last revised:

23 Mar 2023, Andrew Murphy ◉

Disclosures:

At the time the article was last revised Andrew Murphy had no financial relationships to ineligible companies to disclose.

View Andrew Murphy's current disclosures

Revisions:

9 times, by 7 contributors - see full revision history and disclosures

Systems:

Central Nervous System

Sections:

Approach

Synonyms:

Blood window
Subdural window

The subdural (blood) window can be used when reviewing a CT brain as it makes intracranial hemorrhage more conspicuous, and may help in the detection of thin acute subdural hematomas that are against the calvaria that are similar density to adjacent bone. It is a wider setting than the standard non-contrast window, and there are a number of parameters that can be used: