Case 2: 69-year-old man with atrial fibrillation and sudden onset of left-sided hemiparesis. Case 2: 69-year-old man with atrial fibrillation and sudden.

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Presentation transcript:

Case 2: 69-year-old man with atrial fibrillation and sudden onset of left-sided hemiparesis. Case 2: 69-year-old man with atrial fibrillation and sudden onset of left-sided hemiparesis. A, 99mTc-HMPAO SPECT image 7.5 hours after the onset of stroke shows hypoactivity in the right parietal lobe.B, Both 99mTc-HMPAO (left) and 99mTc-ECD (right) SPECT images obtained 12 hours after the initial study depict hyperactivity in the right parietal lobe.C, Follow-up CT scan does not show any abnormality. Kuniaki Ogasawara et al. AJNR Am J Neuroradiol 1999;20:626-628 ©1999 by American Society of Neuroradiology