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Stroke is a general term for a cerebral vascular accident (CVA) of which there are three main types: hemorrhagic, infarct, thrombolitic.
Hemorrhage
Vascular hemorrhage, or bleeding, if large enough, can result in serious damage to the brain. Uncontrolled high blood pressure blood can cause vessels burst. When there is a weakness in a blood vessel in the brain (aneurysm), there can be warning signs like an incredible headache before there is a rupture. Trauma to the head by either falling down, car accidents or by being hit in the head by an object can cause bleeding.
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During difficult births, babies can have bleeding in the brain causing stroke-like brain damage. Bleeding can also occur in a newborn's ventricles (fluid-filled sacs in the brain) which blocks the flow of cerebral spinal fluid which creates swelling of the head. (hydrocephalus).
Infarct
An infarct (tissue death caused by insufficient blood supply), in the brain can be caused by plaque build up in the arteries of the brain (arteriosclerosis) or in the vessels of the neck (carotid arteries). Some people can also have temporary neurological symptoms called a transient ischemic attack (TIA). See link www.nlm.nih.gov
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