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Compare and contrast between
heart attack and stroke
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Heart Attack
Also known as the myocardial infarction.
Occurs when the blood supply to the heart is severelyreduced or cut off.
It is usually blocked by narrowing arteries or a bloodclot.
The heart muscle will damage due to the lack ofoxygen and the person suffers from it will die.
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Causes
The leading causes of heart attack is commonly thecoronary artery disease.
This is the condition where the plaque forms on the
wall of the blood vessels. This is calledatherosclerosis.
The plaque may burst and a blood clot will formeddue to this matter.
This may stop the blood flows through the arteries.
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Coronary artery disease
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Symptoms
Discomfort at the centre of the chest, feels likepressure, squeezing or pain.
Discomfort can extend to other part of the body for
example shoulder, arms and back. Shortness of breath, sweating and fainting.
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Stroke
Occurs when the blood flows to the brain isinterrupted or limited.
Brain cells start dying minutes after a stroke.
When the brain cells die, certain ability controlled bythat area of a brain are lost. For example speech,movements and memory.
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Causes
There are two types of strokes; i) ischemic stroke andii) hemorrhagic stroke.
Ischemic stroke
occurs when the brain gets too little blood. Hemorrhagic stroke occurs when the brain gets too much blood.
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Ischemic stroke
Common types
Thrombotic stroke
Blood clots forms in an artery that carries blood to the brain.
Mainly caused by atherosclerosis.
Embolic stroke
Blood clots or other particles forms in a blood vessel away fromthe brain, often in the heart.
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Ischemic stroke
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Hemorrhagic stroke
Occurs when the blood vessel in the brain leaks orcranial arteriole burst.
Mainly because of hypertension, uncontrolled high
blood pressure or head injuries. Certain people are genetically predisposed to this
stroke due to arteriovenous malformation.
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Hemorrhagic stroke
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Symptoms
Difficult in walking, sleeping and seeing.
Paralysis, weakness or numbness on one side of thebody.
Severe vomiting, nausea and headache.
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Similarities
Both caused by blood clots which are mainly due toatherosclerosis.
Cell dies due to the lack of oxygen.
Once the cell dies, both disease are irreversible. Both disease can cause sudden death.
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Heart attack Stroke
Caused from blood cut
off to the heartmuscles.
Feel absolute pain suchas chest pain,
breathlessness and etc..
Caused from a brain
bleed. Does not feel any pain
but can causeneurological deficits-
speech, movement ofthe limbs and memorylost.
Differences
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References
http://edition.cnn.com/2008/HEALTH/10/23/tool.heart.attack.stroke/
http://www.news-medical.net/health/What-Causes-
A-Heart-Attack.aspx http://www.stroke.org/site/PageServer?pagename=
stroke
http://www.differencebetween.net/science/health/d
ifference-between-heart-attack-and-stroke/
http://edition.cnn.com/2008/HEALTH/10/23/tool.heart.attack.stroke/http://edition.cnn.com/2008/HEALTH/10/23/tool.heart.attack.stroke/http://www.news-medical.net/health/What-Causes-A-Heart-Attack.aspxhttp://www.news-medical.net/health/What-Causes-A-Heart-Attack.aspxhttp://www.stroke.org/site/PageServer?pagename=strokehttp://www.stroke.org/site/PageServer?pagename=strokehttp://www.differencebetween.net/science/health/difference-between-heart-attack-and-stroke/http://www.differencebetween.net/science/health/difference-between-heart-attack-and-stroke/http://www.differencebetween.net/science/health/difference-between-heart-attack-and-stroke/http://www.differencebetween.net/science/health/difference-between-heart-attack-and-stroke/http://www.differencebetween.net/science/health/difference-between-heart-attack-and-stroke/http://www.differencebetween.net/science/health/difference-between-heart-attack-and-stroke/http://www.differencebetween.net/science/health/difference-between-heart-attack-and-stroke/http://www.differencebetween.net/science/health/difference-between-heart-attack-and-stroke/http://www.differencebetween.net/science/health/difference-between-heart-attack-and-stroke/http://www.differencebetween.net/science/health/difference-between-heart-attack-and-stroke/http://www.differencebetween.net/science/health/difference-between-heart-attack-and-stroke/http://www.differencebetween.net/science/health/difference-between-heart-attack-and-stroke/http://www.differencebetween.net/science/health/difference-between-heart-attack-and-stroke/http://www.differencebetween.net/science/health/difference-between-heart-attack-and-stroke/http://www.stroke.org/site/PageServer?pagename=strokehttp://www.stroke.org/site/PageServer?pagename=strokehttp://www.news-medical.net/health/What-Causes-A-Heart-Attack.aspxhttp://www.news-medical.net/health/What-Causes-A-Heart-Attack.aspxhttp://www.news-medical.net/health/What-Causes-A-Heart-Attack.aspxhttp://www.news-medical.net/health/What-Causes-A-Heart-Attack.aspxhttp://www.news-medical.net/health/What-Causes-A-Heart-Attack.aspxhttp://www.news-medical.net/health/What-Causes-A-Heart-Attack.aspxhttp://www.news-medical.net/health/What-Causes-A-Heart-Attack.aspxhttp://www.news-medical.net/health/What-Causes-A-Heart-Attack.aspxhttp://www.news-medical.net/health/What-Causes-A-Heart-Attack.aspxhttp://www.news-medical.net/health/What-Causes-A-Heart-Attack.aspxhttp://www.news-medical.net/health/What-Causes-A-Heart-Attack.aspxhttp://edition.cnn.com/2008/HEALTH/10/23/tool.heart.attack.stroke/http://edition.cnn.com/2008/HEALTH/10/23/tool.heart.attack.stroke/