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What is SWI?

Susceptibility Weighted Imaging (SWI) is a cutting-edge technology that uses extremely high-resolution imaging to detect damage to the brain caused by microhemorrhages, shearing and diffuse axonal injuries. The technology was originally developed to map the brain’s venous architecture. This high-resolution imaging allows medical professionals to see even the smallest lesions in the brain. By exploiting the susceptibility differences between tissues, SWI’s high-resolution enhanced-contrast imaging maps areas of the brain that exhibit venous blood, hemorrhage and iron storage.

SWI is effective in detecting brain abnormalities due to head trauma, stroke, tumors, hemorrhages, multiple sclerosis and Alzheimer’s disease.