The explanation of 4 grades of intraventricular hemorrhage is discussed below
Grade 1 intraventricular hemorrhage
It arises from floor of lateral ventricle and it does not extend to CSF
It is mostly asymptomatic
Grade 2 intraventricular extends to CSF without ventricular distension and it is also mostly asymptomatic
Grade 3 intraventricular hemorrhage causes ventricular distension and it is very symptomatic such that it may cause apnea seizures
Grade 4 intraventricular hemorrhage has features of grade 3 intravascular hemorrhage + echogenicity in periventricular regions on ultrasound scan
Hydrocephalus may also arise
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