Stroke Imaging Questions & Answers

Updated: Nov 30, 2018
  • Author: Andrew Danziger; Chief Editor: L Gill Naul, MD  more...
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Questions & Answers

Overview

What causes lacunar infarctions in stroke?

What is stroke?

What causes stroke?

What is the role of neuroimaging in the workup of acute stroke?

What is the pathophysiology of ischemic stroke?

What is the pathophysiology of stroke affecting the ischemic penumbra?

How is ischemic stroke classified?

What is the pathophysiology of large vessel occlusive stroke?

What are cardioembolic strokes?

What are watershed infarctions in stroke?

What is the pathophysiology of hemorrhagic transformation of ischemic stroke?

What causes hemorrhagic stroke?

What is the pathophysiology of subarachnoid hemorrhage in stroke?

What is the mortality and morbidity associated with stroke?

Which patient groups are at highest risk of stroke?

What is the cerebrovascular arterial anatomy relevant to stroke?

What causes stroke in young patients?

Which noncontrast CT scan findings are characteristic of stroke?

How is the zone of ischemia quantified in stroke imaging?

Which contrast-enhanced CT scan findings are characteristic of stroke?

Which CTA findings are characteristic of stroke?

What is the role of CT perfusion maps in stroke imaging?

Which contrast-enhanced MRI findings are characteristic of stroke?

Which MRI findings are characteristic of stroke?

Which diffusion-weighted MRI findings are characteristic stroke?

Which MRA techniques are used in stroke imaging?

What is the role of perfusion MRI in stroke imaging?

What is the role of transcranial Doppler in stroke imaging?

What is the role of ultrasound in stroke imaging?

What are the diagnostic criteria for carotid stenosis in stroke?

What is the accuracy of ultrasound imaging for stenosis in stroke?

What are rates of false positives and false negatives in ultrasonography for stroke?

What is the role of nuclear imaging in the workup of stroke?

What is the role of PET scanning in stroke imaging?

What is the role of angiography in stroke imaging?

What is the role of neuroimaging in the treatment of stroke?

What is the role of IV tPA in the treatment of stroke?

What is the role of IAT in the treatment of stroke?

What is the role of mechanical recanalization in the treatment of stroke?

What is the role of endovascular therapy in the treatment of aneurysms in stroke?

What are the possible complications and adverse effects of stroke imaging?

Guidelines

What are the ACR guidelines for stroke imaging?