Understanding Perfusion CT in Acute Stroke Diagnosis

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This overview covers the use of Perfusion CT in acute stroke, highlighting its purpose, key measures like CBV and CBF, and the distinction between core infarct and salvageable penumbra. It discusses techniques for generating perfusion maps, recognizing normal and ischemic patterns, and assessing cerebrovascular reserve through acetazolamide testing. Additionally, it addresses common pitfalls in interpretation, including technical errors and mimics such as stenosis and seizures, while...