Hot nose sign – an indirect sign of brain death on nuclear…

Hot nose sign – an indirect sign of brain death on nuclear medicine cerebral perfusion studies. Absence of internal carotid artery flow leads to increased external carotid artery flow and subsequent increased perfusion in the nasal region. Although the sign is cute, it is not of any real diagnostic value as the medico-legal importance of brain death is such that direct assessment of cerebral perfusion is required. 

from our tumblr blog

http://radiologysigns.tumblr.com/

Advertisements

Tags: , , , , ,

About Radiopaedia.org

Official Wordpress feed for Radiopaedia.org, a free online collaborative radiology resource.

Leave a Reply

Fill in your details below or click an icon to log in:

WordPress.com Logo

You are commenting using your WordPress.com account. Log Out / Change )

Twitter picture

You are commenting using your Twitter account. Log Out / Change )

Facebook photo

You are commenting using your Facebook account. Log Out / Change )

Google+ photo

You are commenting using your Google+ account. Log Out / Change )

Connecting to %s

%d bloggers like this: