Transient global amnesia (TGA) is an uncommon disease characterized by sudden onset anterograde amnesia that typically improves within 24 hours. A 35-year-old woman presented with complete disruption of memory that had started on the previous day. She had fever and heart murmur and was diagnosed as having infective endocarditis with Staphylococcus lugdunensis, a coagulase-negative staphylococcus. Septic embolizations were found in the spleen and kidney on CT scan. The patient underwent aortic valve replacement. MRI susceptibility-weighted imaging showed a dotted low intensity area in the right hippocampus. Recently, etiology of TGA is reported to be related to hippocampal disorder. We report a rare case of TGA with hippocampal infarction due to septic embolism from infective endocarditis.
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