ABR Neuroradiology Practice Questions - ABR Neuroradiology Subspecialty Certificate Of Added Qualification (CAQ) Exam

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On CT perfusion in acute ischemic stroke, which combination of parameters best defines the ischemic penumbra (salvageable tissue)?

Decreased CBF with markedly decreased CBV Elevated CBF with reduced Tmax Decreased CBF with preserved or increased CBV and prolonged Tmax Normal CBF with elevated CBV

Correct Answer:

Decreased CBF with preserved or increased CBV and prolonged Tmax

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