Under what circumstances do you decide to place an EVD for patients with cerbellar ischemic stroke?

Although placement of an EVD in a patient with cerebellar infarction can be lifesaving, I rarely use it as a sole treatment for that condition due to the risk of upward herniation. Typically, when the cerebellar infarction has created enough mass effect to cause hydrocephalus, the patient also requi...

1. If there is ventriculomegaly/hydrocephalus from 4th ventricle obstruction from swelling/edema, I will place an EVD and probably do a decompression surgery.
2. If there ventriculomegaly/hydrocephalus from 4th ventricle obstruction from hemorrhagic transformation without swelling/edema I may place an EV...