This interruption causes damage to the brain cells which cannot be repaired or replaced. Apr 07, 2020 the two stroke engine has high torque compared to a four stroke engine. Hemorrhagic strokes make up about percent of stroke cases. It can be said that heat engine is equipment which generates thermal energy and transforms it into mechanical energy.
Each of these categories can be divided into subtypes that have. Symptoms depend on the type of stroke and the location of the brain affected. Those are set of special instructions to be followed by the patient in order to ensure that the malfunction does not hit back again. Just as strokes have many effects, they also have many causes. The two types of weakened blood vessels that usually cause hemorrhagic stroke are. A stroke occurs when blood, which carries oxygen to the brain, is blocked. Stroke definition a stroke happens when blow flow to a part of the brain stops. Ischemic stroke caused by a blocked artery, and hemorrhagic stroke caused by a ruptured artery. Good stroke epidemiology can commonly be improved by combining it with excellent clinical and diagnostic skills so that in observational and experimental epidemiological studies what is called a stroke really is a stroke, and the different types of stroke can be studied separately.
Establishing the most likely cause is important because the cause of stroke influences both shortterm and longterm prognoses and it affects treatment decisions, especially those related to prevention of recurrent events. If it lasts forless than 24 hours it is a transientischaemic attack tia. Louis school of medicine and ut southwestern medical center. Brain stroke, types of, causes, pathology, symptoms. We can still learn a lot from this trial even though it was negative. Ppt ischemic stroke powerpoint presentation free to.
Ppt ignition system powerpoint presentation free to. Clinical clues for detecting hemorrhagic stroke historical. Types of stroke ischaemic, haemorrhagic and tias stroke. Over 75% of patients survive a first stroke during the first year, and over half survive beyond 5 years. Power point presentation on strokes, essays university for.
A haemorrhagic stroke is caused by a bleeding in or around the brain. Ppt stroke powerpoint presentation free to download. There is an increased risk of intracranial hemorrhage in the. Get more information about six stroke engine ppt free download by visiting this link. A stroke may be caused by a blocked artery ischemic stroke or a. Vanderbilt university medical center stroke symposium 20 10.
Effects of stroke on the brain every stroke is slightly different, and seniors can experience several different symptoms. Acute stroke prognosis stroke is the second leading cause of death worldwide. The effects of your stroke depend on the part of the brain that was damaged and the amount of damage done. Our explaining stroke booklet explains how a stroke happens, different types of stroke and how to prevent a stroke. Types of stroke are categorized either by their locations in the brain or by the cause of the stroke. Other strokes exist, but they are mostly variations of the swimming strokes presented above, where most often the arm movements from one stroke are combined with the leg movements of another stroke. For example, it is possible to swim butterfly with a breaststroke kick or to swim breaststroke with a flutter kick.
The ppt focuses on the different approaches, types, working concept with diagrams and advantages of six stroke engine. Pdf strokes are a leading cause of morbidity and mortality across the world. Aug 25, 2016 in this article we will learn about different types of engine. Older adults are more likely to have a stroke than younger people, but people can have a stroke at any age. The location and size of your stroke injury will determine what functions will be lost or changed. Moawad regularly writes and edits health and career content for medical books and publications. Engage your students during remote learning with video readalouds. Cerebral thrombosis is a thrombus blood clot that develops at the fatty plaque within the blood vessel. Occurs when a blood vessel supplying blood to the brain is obstructed. Schematic showing different types of stroke and cascade of events following ischemia.
Other risk factors personal or family history of stroke, heart attack or. The only way to determine what type of stroke you may be having is to seek medical attention. Ischemic stroke happens when a blood clot obstructs an artery. A four stroke engine is an internal combustion engine variant in which the piston completes four strokes while turning a crankshaft. Approximately 87 percent of all strokes are ischemic stroke. The blood accumulates and compresses the surrounding brain tissue. Two stroke and four stroke engines, working principles, applications types, power and efficiency heat engine is a machine for converting heat, developed by burning fuel into useful work.
A free powerpoint ppt presentation displayed as a flash slide show on id. Other factors that increase risk of stroke includehigh blood pressure, cigarette smoking, diabetes, other types of cardiovascular disease, and high blood cholesterol. The first of the three types of stroke is the ischemic stroke. This project is supported in part by the nih specialized programs of translational research in acute stroke spotrias network, and ninds grant 3p50ns055977 to washington university in st. It can be caused by different events, hence the different types. Download six stroke engine ppt for mechanical engineering seminar.
But then there are also a few types of letters based on their contents, formalities, the purpose of letter writing etc. The exhaust valve then opens, usually a little earlier than when the piston reaches its lowest point of travel. It is different from the major types of stroke because blood flow to the brain is blocked for only a short timeusually no more than 5 minutes. In most cases, a noncontrast ct scan is the definitive test for differentiating ischemic from hemorrhagic stroke. If circulation isnt restored quickly, brain damage can be permanent. Ischemic strokes clots american stroke association. A tia transient ischemic attack, or mini stroke, is caused by a temporary clot. Haemorrhagic stroke hemorrhagic stroke occurs when a bloodvessel in your brain leaks or ruptures. Ischaemic stroke osama ragab lecturer of neurology tanta university 2016 2.
Hemorrhagic versus nonhemorrhagic histories and physical findings of hemorrhagic and ischemic stroke overlap, and emergency personnel should not depend solely on the clinical presentation for diagnosis. Many of us are familiar with some form of the throbbing, uncomfortable, and distracting pain of a headache. The six stroke engine is a type of internal combustion engine based on the four stroke engine, but with additional complexity to make it more efficient and reduce emissions. A stroke is a medical emergency and urgent treatment is essential. Determination of precise time of onset of signs and symptoms. Look at the risk of vascular death and stroke in this patient population, 22% risk of stroke and vascular death at 2 years with 75% of those events occurring in the first year. Types of stroke cardioembolic 25% hemorrhagic 15% large vessel 35% lacunar 20% ich 10% other 5% ischemic 85% sah 5%.
The different stroke types cause similar symptoms because each affects blood flow in your brain. Heidi moawad is a neurologist and expert in the field of brain health and neurological disorders. Ppt stroke powerpoint presentation free to view id. Differentiation between ischemic versus hemorrhagic strokes. Guidelines for the early management of patients with acute ischemic stroke. Approach to acute stroke in the emergency department. Jan 23, 2018 obesity was associated with an increased risk of ischemic stroke and a decreased risk of hemorrhagic stroke heterogeneity p types of stroke. There are different types of rehabilitation available for different types of disabilities. Functions of different regions of the brain blood supply of the brain introduction to stroke symptoms summary.
The mechanism here is different from that of two stroke engines. Both types of stroke are very different, and they are treated differently, too. To function properly, braincells need a constant supply of oxygen and nutrients, which they get from blood. It is different from the major types of stroke because blood flow to the brain is blocked for. The effects also differ, as it depends on the part of the brain that got affected by the stroke itself. Stroke can be caused either by a clot obstructing the flow of blood to the brain called an ischemic stroke or by a blood vessel rupturing and preventing blood flow to the brain called a hemorrhagic stroke. A stroke happens when blood stops flowing to any part of your brain. Chd risk for women chd risk equivalents diabetes as a chd risk equivalent chd risk equivalents framingham 10year total cvd risk algorithm dagostino et al 2008 international comparisons in cvd morbidity and mortality secular trends in chd and stroke mortality powerpoint presentation powerpoint presentation powerpoint presentation. Fatty deposits lining the vessel walls, called atherosclerosis, are the main cause for ischemic stroke. Each area in the brain controls different functions or skills. Shkrobot strokes treatment normalization of water electrolytes balance and acid alkali balance osmosis correction improving of brain. Conclusion classic risk factors for stroke have considerably different effects on the 3 main pathologic types of stroke.
Indulging in swimming is the best calorie burner also, it is responsible for building strength and body endurance along with its relatively smoothing effect on the jo. The exhaust gases are swept out on the following upward stroke of the piston. Sarah rahal, md, is a double boardcertified adult and pediatric neurologist and headache medicine specialist. Hemorrhagic stroke occurs when an artery in the brain bursts. A transient ischemic attack tia is sometimes called a ministroke. Our new crystalgraphics chart and diagram slides for powerpoint is a collection of over impressively designed datadriven chart and editable diagram s guaranteed to impress any audience. Aug 18, 2014 ppt presentation on six stroke engine. Haemorrhagic stroke is caused mainly by spontaneous rupture of blood vessels or aneurysms or secondary to trauma. Six stroke engine, the name itself indicates a cycle of six strokes out of which two are useful power strokes.
Definition stroke is defined as an episode of focal neurologic brain, retina, spinal cord dysfunction even if less than 24 hours in duration in which the autopsy,computedtomographyctbrainscan,ormagneticresonance imaging mri brain scan shows. Let us first understand that there are broadly two types of letter, namely formal letters, and informal letters. Six stroke engine ppt seminar report topics for seminar august 18, 2014. Ppt shock powerpoint presentation free to download. What are the different types of fuel system components the fuel system of your car is responsible for the timely delivery of fuel to the engine. The two broad categories of stroke, hemorrhage and ischemia, are diametrically opposite conditions. We also provide information about a few lesserknown swimming strokes, such as the elementary backstroke, the. The national institutes of health stroke scale nihss measures neurological function that correlates with stroke severity and longterm outcome in patients with ischemic stroke. Stroke ppt free download as powerpoint presentation. An ischaemic stroke is caused by a blockage cutting off the blood supply to the brain.
Mar 25, 2020 ischemic stroke is caused by a blood clot. Pdf pathophysiology and management of different types of shock. Most strokes occur after the age of 65 more common in men. It was designed to provide a reliable, valid, and easytoperform alternative to the standard neurological examination for patients with ischemic. Get your pen out and create your prevention checklist. Youre about to learn which surgeries doctors might choose to treat each type of stroke. Times new roman wingdings blue diagonal rcs 6080 medical and psychosocial aspects of rehabilitation counseling stroke and hemiplegia stroke and hemiplegia types types hemorrhage stroke and hemiplegia stroke and hemiplegia symptoms treatment of a stroke function after stroke some residual effects of strokes risk reduction reactions. A tia is a medical emergency, just like a major stroke.
Commonly there are 4 phases involved in the rehab procedure namely phase 1, phase 2, phase 3 and phase 4. Its caused by a weakened vessel that ruptures and bleeds into the surrounding brain. Hemorrhagic strokes bleeds american stroke association. Ppt classification of ischemia stroke powerpoint presentation free to view id. Up to 80 percent of second clotrelated strokes may be preventable. Two different types of six stroke engine have been developed since the 1990s. Ischemic stroke clots occurs when a blood vessel supplying blood to the brain is obstructed. Everything you need to know about stroke everyday health. After being a diabetic for many years, im happy to report that thanks to your book, my blood tests are now showing that i am completely free of diabetes. Stroke overview third leading cause of death in industrialized countries. The classification of the engines depends upon the types of fuel used, cycle of operation, number of stroke, type of ignition, number of cylinders, arrangement of cylinders, valve arrangement, types of cooling etc. May 12, 2010 this article provides information about the four swimming strokes used in competitions, which are the front crawl or freestyle stroke, breaststroke, backstroke, and the butterfly stroke.
Powerpoint presentation cerebral vascular accident cva. Chart and diagram slides for powerpoint beautifully designed chart and diagram s for powerpoint with visually stunning graphics and animation effects. Pathophysiology and management of different types of shock. A stroke happens when the blood supply in the brain gets interrupted. Aetiologyischaemic stroke due to blockage of a brain artery by anembolus or by thrombosis. Ischemic stroke may occur as a consequence of a wide range of vascular diseases that lead to thromboembolism to the brain. Several components including fuel pump, fuel lines, fuel filter and injectors work in a synchronized manner for supplying gas to the car. The above two main types of hemorrhagic stroke are also two different forms of intracranial hemorrhage, which is the accumulation of blood anywhere within the. The two types of hemorrhagic strokes are intracerebral within the brain hemorrhage or subarachnoid hemorrhage. Severe stroke nihss25 taking an oral anticoagulant regardless of inr history of both diabetes and prior ischemic stroke jauch ec, etal. Get more information about six stroke engine pdf download by visiting this link.
Ppt stroke powerpoint presentation free to download id. The exhaust valve remains open throughout the whole stroke and closes at the top of the stroke. The adobe flash plugin is needed to view this content. Differences in risk factors for 3 types of stroke neurology. Classification of subtypes of ischemic stroke stroke.