Figure 19:
The role of SPECT Imaging in determining brain death. 17 y/o female s/p MVA with resultant closed head injury.

A. DTPA flow demonstrates persistent intracranial perfusion.

B. HMPAO perfusion study performed 24-hours later shows equivocal flow and metabolism involving the left brain (arrow)

C. Sagittal SPECT slices confirm absence of brain activity, thus establishing the diagnosis of brain death.

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