{"id":"69a23198efd4f1d917504144","name":"Nuclear Brain Scintigraphy - Cerebral Demise Protocol","slug":"nuclear-brain-scintigraphy-cerebral-demise-protocol","description":"Structured template for nuclear brain scintigraphy (technetium-99m DTPA) evaluating cerebral perfusion and flow to assess for cerebral demise","category":{"modality":"Nuclear Medicine","system":"CNS"},"tags":["brain death","cerebral demise","technetium-99m dtpa","radionuclide angiography","perfusion imaging","confirmatory study"],"sections":{"title":{"defaultText":"Nuclear Brain Scintigraphy with Technetium-99m DTPA","aiInstructions":"Extract the exact study name from the report. For brain death studies, preserve the specific radiopharmaceutical and protocol used."},"clinicalHistory":{"defaultText":"[Patient-specific — populated at report time]","aiInstructions":"Ask the user for: patient age, sex, presenting complaint, relevant clinical history, and reason for the exam. This section contextualizes the entire report. Always include it."},"comparison":{"defaultText":"No prior studies available for comparison.","aiInstructions":"If prior imaging is mentioned in the report, document the date and type of comparison study. If no comparison is stated, use default text."},"technique":{"defaultText":"Following intravenous administration of technetium-99m DTPA, radionuclide angiography of the head was performed. Imaging included angiographic phase images and delayed static images at 10 minutes.","aiInstructions":"Extract the radiopharmaceutical dose (mCi), agent name, administration route, and specific imaging phases performed. Include timing of image acquisition. Preserve exact technical details from the report."},"findings":{"defaultText":"Radionuclide angiography and delayed imaging demonstrate findings consistent with cerebral perfusion assessment.","aiInstructions":"Organize findings by imaging phase and anatomical structures. Focus on presence or absence of flow in major vessels and intracranial structures. Document any characteristic signs of absent cerebral circulation.","fields":[{"name":"Carotid Artery Flow","defaultText":"Bilateral carotid artery flow is preserved on angiographic phase images.","aiInstructions":"Document presence, timing, and symmetry of carotid artery flow on early angiographic phase images. Note the specific timing (e.g., at 4 seconds). If flow is absent, note this explicitly."},{"name":"Intracerebral Vessel Perfusion","defaultText":"Intracerebral vessels demonstrate normal perfusion on angiographic and delayed phase images.","aiInstructions":"Document presence or absence of flow in intracerebral vessels beyond the initial angiographic phase. Note timing and distribution. If absent, state clearly that no intracerebral vessel flow is demonstrated."},{"name":"Sagittal Sinus Activity","defaultText":"Sagittal sinus activity is present on delayed images.","aiInstructions":"Specifically document presence or absence of superior sagittal sinus activity on delayed phase imaging. This is a key indicator of intracranial perfusion."},{"name":"Hot-Nose Sign","defaultText":"No increased nasal perfusion is noted.","aiInstructions":"Document presence or absence of the 'hot-nose sign' (increased nasal and facial perfusion) on static images. When present, note that this represents compensatory collateral flow secondary to cessation of intracranial carotid blood flow."},{"name":"Delayed Phase Images (10 minutes)","defaultText":"Delayed images at 10 minutes demonstrate expected intracranial activity distribution.","aiInstructions":"Document findings on delayed static images obtained at 10 minutes post-injection. Focus on presence or absence of intracerebral and dural venous sinus activity."}]},"impression":{"defaultText":"Scintigraphic findings are compatible with normal cerebral perfusion.","aiInstructions":"Synthesize findings to reach a definitive conclusion regarding cerebral blood flow status. For brain death studies, explicitly state whether findings are compatible with absence of intracerebral flow and cerebral demise. Use language such as 'compatible with cerebral demise' or 'consistent with absence of intracerebral flow' based on the documented findings. This is a confirmatory study with significant clinical implications."}},"aiUsageInstructions":{"summary":"Use this template to generate a complete Nuclear Brain Scintigraphy - Cerebral Demise Protocol radiology report.","steps":["1. Collect patient clinical history from the user (age, sex, clinical indication).","2. Confirm whether prior studies are available for comparison.","3. For the Technique section, use defaultText or adapt based on actual acquisition parameters.","4. For each field in sections.findings.fields: ask the user for the finding or infer from clinical context. Use defaultText if the structure is normal.","5. Generate the Impression by summarizing the most significant findings from step 4.","6. Use the aiInstructions for each section to guide the depth and format of the content.","7. Maintain formal radiology report language throughout. Passive voice preferred.","8. If any finding is abnormal, quantify it with measurements and describe its imaging characteristics."],"language":"Formal radiology report language. Passive voice preferred. Avoid first-person pronouns.","format":"Numbered impression list. Prose findings paragraphs or structured field-by-field format both acceptable.","units":"Report measurements in centimeters (cm) for masses, millimeters (mm) for small structures."},"meta":{"canonicalUrl":"https://radiluxreports.com/templates/nuclear-brain-scintigraphy-cerebral-demise-protocol","claudeApiUrl":"https://radiluxreports.com/templates/api/claude/nuclear-brain-scintigraphy-cerebral-demise-protocol","useInDashboardUrl":"https://radiluxreports.com/?templateId=69a23198efd4f1d917504144","apiUrl":"https://radiluxreports.com/templates/api/nuclear-brain-scintigraphy-cerebral-demise-protocol","updatedAt":"2026-03-01T00:12:15.970Z","license":"Free for clinical and educational use. Attribution appreciated."}}