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good afternoon I'm Reza Jehan I'm a physician from UCLA Medical Center I'm a specialist in what's called interventional neuroradiology it's not the usual type of field that you guys probably have heard about like a surgeon or pediatrician or an obstetrician I'm a specialist in doing work in the blood vessels in the brain so the sorts of diseases that I treat are listed here strokes brain aneurysms brain vascular malformations brain head and neck tumors and brain tumors we do some work with tumors as well but predominantly would deal with blood vessel problems in the brain and spine and one of the areas that I'm interested in that I've been working in both in my research and in patient care has been stroke and that's what I'm here to talk to you about today is stroke and one of the things the most important message I want to convey to the group here is how to recognize stroke there's a lot of treatments now available for stroke and the important thing that you need to be able to walk away from here and do is to recognize stroke symptoms and understand that you need to call 9-1-1 immediately if you are having stroke like symptoms or you see somebody who's having stroke like symptoms and get to the emergency room treatment is available but time is of the essence and I will cover that as we go through this topic that's probably the most important message I'm going to convey to you I do all my procedures through the blood vessels so we don't crack the head open we do don't do neurosurgery in the brain we don't open the brain up we do everything from the inside so when I go up and treat a stroke patient for example or a brain aneurysm I go in through the artery in the leg the way cardiologists also go in through the artery in the leg and go into the heart except I go into the brain so my specialty is up here I go from here go into the brain and do all my work come out put a band-aid here done so it's a referred to as minimally invasive minimally invasive surgery so we don't actually cut the brain anymore for a lot of these products of problems you see here again as I mentioned stroke is my area of interests and that's what I'm here to talk about so I'm going to begin by defining stroke what is stroke so stroke is a sudden impairment in brain function what does that mean the brain controls a lot of vital functions in our body the one that is most noticeable to everybody is controlling movement and sensation so the your ability to walk to move your arm and also your sensation being able to feel the touch or temperature or pain this sensations and motion is controlled by the brain if you have sudden sudden paralysis...