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CT head (subdural window)

Changed by Andrew Murphy, 3 Oct 2016

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

centre/level 50~~; window~~ / window 130 ¹
centre/level 70-100 / window 150-300 ³

~~-<li>centre/level 50; window 130 <sup>1</sup>~~
+<li>centre/level 50 / window 130 <sup>1</sup>

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CT head (subdural window)

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