PMC10481819_01
Nuclear medicine brain imaging showing carotid arterial activity up to the level of the skull base with no intracranial arterial activity above. Increased blood flow was seen on delayed imaging of the external carotid artery circulation. A "hot nose" sign is visible, consistent with brain death.
SNI-14-282-g001.jpg
PMC10481819_01_SNI-14-282-g001.jpg
F1
Nuclear medicine (NM) testing was ordered and the NM brain scan showed carotid arterial activity up to the level of the skull base with no intracranial arterial activity above; increased blood flow was seen on delayed imaging to the external carotid artery circulation with a "hot nose" sign consistent with brain death [Figure 1].