I have just been comfirmed with acute infarction periventricular corona radiata on the right. I am 58 , 1.64m and weigh 71kg. My discharged form says " Periventricular Ischemic  Attack" Please explain more to me. I am not hypertensive and I do not have diabetes. Thank you

Summarized question: What does Periventricular Ischemic Attack mean?