File:Brain death (Radiopaedia 53844-59942 B 15).jpg

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Summary:

Description	Radiopaedia case ID: 53844 Image ID: 30784003 Image stack position: 15/30 Study description: Static 99mTc-ECD SPECT Study findings: SPECT with dynamic 99mTc-ECD (ethyl cysteinate dimer) injection (stack 1). During the dynamic phase, there is perfusion in the carotids bilaterally but none in the anterior and middle cerebral arteries. A static scan 20 minutes after 99mTc-ECD injection (stack 2) shows no radiotracer uptake (i.e. no brain perfusion) in the brain parenchyma, including the cerebral cortex, basal ganglia, cerebellum, and medulla. The appearance of an "empty" cranium is referred to as the empty light bulb sign. Modality: Nuclear medicine System: Central Nervous System Findings: Endotracheal tube in oral cavity. Nasogastric tube through left nostril, appears folded in oropharynx. Homogeneously low density of entire brain, both supra- and infratentorial, with effacement of sulci, basal cisterns, and ventricles (only thin atria of lateral ventricles visible). Consistent with diffuse, widespread brain edema due to anoxia.
Date	Published: 9th Jun 2017
Source	https://radiopaedia.org/cases/brain-death-5
Author	Yair Glick
Permission (Permission-reusing-text)	http://creativecommons.org/licenses/by-nc-sa/3.0/

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	Date/Time	Thumbnail	Dimensions	User	Comment
current	04:08, 20 June 2021		486 × 540 (29 KB)	Fæ (talk \| contribs)	Radiopaedia project rID:53844 (batch #4954-51 B15)

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