2.Ischemic (caused by a blockage in an artery)Ischemic strokes are by far the more common type, causing over 80% of all strokes. Ischemia means the deficiency of oxygen in vital tissues. Ischemic strokes are caused by blood clots that are usually one of three types: Thrombotic stroke, Embolic stroke, and Lacunar stroke.HEMORRHAGIC STROKE hemorrhage (sudden bleeding) into or around the brain. While hemorrhagic strokes are less common than ischemic strokes, they tend to be more deadly.Parenchymal, or intracerebral, hemorrhagic strokes. These strokes occur from bleeding within the brain tissue.
3.If the frontal lobe is damaged, the ability to solve problems, think critically and perform complex movements can be impaired. In addition, frontal lobe damage can cause speech problems, delayed response, apathy, and the inability to control undesirable behaviors.
4.As such, if total cardiac output falls as a result of decreased stroke volume, the heart rate can increase to keep the total cardiac output normal, to a certain extent. Stroke volume is more complicated; it is determined by many different factors, including preload, afterload, competence of the atrioventricular valves, ventricular cavity size, and the strength of the squeeze of the cardiac muscle, amongst others. Any change in one of these factors requires a compensation in one or more of the others to maintain cardiac output.
5.The primary purpose of a carotid ultrasound is to screen for…