Diffusion MRI of Cerebral Infarct

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Cerebral infarct shown by diffusion-weighted imaging (DWI). On the left, a conventional MRI (T2-weighted image) 3 hours after stroke onset shows no lesions. On the right, DWI 3 hours after stroke onset shows extensive hyperintensity indicative of acute ischemic injury. (Reproduced, with permission, from Warach S, et al: Acute human stroke studied by whole brain echo planar diffusion weighted MRI. Ann Neurol 1995;37:231.)

Read about stroke in context:

Clinical Neuroanatomy, 28e: Chapter 22. Imaging of the Brain

Read about stroke: 

Harrison’s Principles of Internal Medicine, 20e: Chapter 420. Ischemic Stroke

Principles and Practice of Hospital Medicine, 2e: Chapter 209. Transient Ischemic Attack and Stroke

Tintinalli’s Emergency Medicine: A Comprehensive Study Guide, 8e: Chapter 167. Stroke Syndromes

Melanie Allison, DNP, MSN, RN, ACNP-BC

Executive Manager, Education & Learning, McGraw-Hill

Melanie Allison is the Executive Manager of Education & Learning with McGraw Hill. She earned her Doctor of Nursing Practice (DNP) degree and Post-Master’s Certificate in Nursing Education from The Johns Hopkins University. She earned her Master of Science in Nursing (MSN) degree, specializing as an acute care nurse practitioner (ACNP), from Vanderbilt University. Melanie has more than 20 years of experience as a registered nurse and nurse practitioner in adult cardiology and advanced lipid management. She is a part-time faculty member at a top school of nursing where she has taught for more than 16 years.