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Grades of Intraventricular Hemorrhage in Infants

This page was last updated on April 8th, 2024

A widely used classification scheme (71) is based on imaging findings (ultrasound-based but can be adapted for CT and MRI use as well) and stratifies the degree of hemorrhage and subsequent ventricular dilation.

  • Grade I: hemorrhage confined to the subependymal layer
  • Grade II: hemorrhage with extension into the ventricle without dilation of the ventricle
  • Grade III: hemorrhage with extension into the ventricle with dilation of the ventricle
  • Grade IV: hemorrhage with extension into the ventricle and dilation of the ventricle plus parenchymal hemorrhage.