Stroke: Diagnostic Tests

Question 1

Can be performed quickly, and is an excellent tool for detecting intracranial bleeding

Answer 1

CT Scan

Question 2

evidence of ischemia may not appear on standard CT scanning until ________ after onset of symptom

Answer 2

24-48hrs

Question 3

Specialized MRI scans (diffusion-weighted imaging, perfusion-weighted imaging) can detect areas of ischemia before they are apparent on CT

Answer 3

MRI

Question 4

Detects areas of vascular abnormality, as might be seen with clot swing to arterial dissection

Answer 4

MRA: Magnetic Resonance Angiography