Grade | Description |
I | Either:
|
II | IVH that occupies 10 to 50% of the lateral ventricle area |
III | IVH that occupies >50% of lateral ventricle area and is associated with acute ventricular dilation |
PVHI (previously called grade IV) | Hemorrhagic infarction in periventricular white matter ipsilateral to large IVH |
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