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The coronary arteries supply blood to the heart muscle itself. Damage to or blockage of a coronary artery can result in injury to the heart. Normally, blood flows through a coronary artery unimpeded. However, if the inner wall of a coronary artery becomes damaged, cholesterol plaque can build-up, progressively narrowing the available pathway through which blood can flow.

Clotted blood attempting to traverse the blood vessel may find it tortuous and too narrow for passage, and the artery may become completely constricted or blocked-off. The blocked artery results in a lack of oxygen, or ischemia, to the part of the heart muscle that the artery supplies. The result is a heart attack.

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Review Date: 05/23/2011

Michael A. Chen, MD, PhD, Assistant Professor of Medicine, Division of Cardiology, Harborview Medical Center, University of Washington Medical School, Seattle, Washington. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.

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12y ago

It is Avery serious problem to have as amater of fact many people die as a result of it. If you have Heart disease make a point of taking medical advice in coping with your condition.

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True.

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Q: The most serious form of heart disease is coronary heart disease?
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What is the coronary artery disease?

Coronary heart disease refers to the failure of coronary circulation to supply adequate circulation to cardiac muscle and surrounding tissue. Coronary heart disease is the most common form of disease affecting the heart and an important cause of premature death. It's predicted that coronary heart disease will affect all the regions of the world by 2020.


What is the difference between congenital heart condition and congenital heart disease?

Heart attacks are quick spasmodic beating that either causes heart failure or the blood to be moving too fast thus not transporting O2 and causing death. Heart failure is the heart simply not working. That can be caused by heart attacks or any form of death.


What are the causes for the heart attack?

A heart attack happens if the flow of oxygen-rich blood to a section of heart muscle suddenly becomes blocked. Most heart attacks occur as a result ofcoronary heart disease (CHD).CHD is a condition in which a waxy substance called plaque builds up inside of the coronary arteries. These arteries supply oxygen-rich blood to your heart. When plaque builds up in the arteries, the condition is called atherosclerosis. The buildup of plaque occurs over many years.Eventually, an area of plaque can rupture (break open) inside of an artery. This causes a blood clot to form on the plaque's surface. If the clot becomes large enough, it can mostly or completely block blood flow through a coronary artery.If the blockage isn't treated quickly, the portion of heart muscle fed by the artery begins to die. Healthy heart tissue is replaced with scar tissue. This heart damage may not be obvious, or it may cause severe or long-lasting problems.


Into which heart chamber does the coronary sinus drain?

The coronary sinus is a collection of veins joined together to form a large vessel that collects blood from the myocardium of the heart. It is present in humans and other animals. It delivers deoxygenated blood to the Right atrium in conjunction with the superior and inferior vena cava.Wikipedia


Pathophysiology of rheumatic heart disease in diagram form?

Type your answer here... rheumatic heart disease is cause by a rheumatic fever that inflamed the heart and scarring it.

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Why dont vegetarians get coronary heart disease?

Vegetarians can get coronary heart disease. It may happen less, though, as much heart disease is called from eating overly fried or fatty foods. Much of this comes in the form of meat or fried meats, which a vegetarian would not eat. But it is still possible.


What is the coronary artery disease?

Coronary heart disease refers to the failure of coronary circulation to supply adequate circulation to cardiac muscle and surrounding tissue. Coronary heart disease is the most common form of disease affecting the heart and an important cause of premature death. It's predicted that coronary heart disease will affect all the regions of the world by 2020.


What is the difference between congenital heart condition and congenital heart disease?

Heart attacks are quick spasmodic beating that either causes heart failure or the blood to be moving too fast thus not transporting O2 and causing death. Heart failure is the heart simply not working. That can be caused by heart attacks or any form of death.


What is the most common form of hyperthyroidism?

Hyperthyroidism can be a pretty serious illness. It requires treatment. A few symptoms include irritability, heart racing, and brittle hair. A form of hyperthyroidism is Graves disease.


What is the relationship between coronary artery disease and a heart attack?

atherosclerosis is a condition where plaque builds up in your arteries. This can narrow the artery, reducing blood flow and oxygen perfusion. In the case of the coronary system this reduced perfusion can lead to chest pain or a heart attack. this condition can be worsened if the plaque build up ruptured. the body will respond to this by building a clot around the area, further reducing blood flow and oxygen. worst case scenario this will lead to an acute myocardial (AMI) causing cell death to cardiac muscle.


What has the author Sehder Kumar Gupta written?

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What are the types of heart disease?

hefdsght disease


What is a heart attck?

Most heart attacks occur as a result of coronary artery disease This disease is the buildup of plaque on the inner walls of the arteries leading to the heart. Eventually, a section of plaque can break open, causing a blood clot to form at the site. A heart attack occurs if the clot becomes large enough to cut off most or all of the blood flow through the artery.


What is the meaning of coronary?

Of or pertaining to a crown; forming, or adapted to form, a crown or garland., Resembling, or situated like, a crown or circlet; as, the coronary arteries and veins of the heart., A small bone in the foot of a horse., Informal shortening of coronary thrombosis, also used generally to mean heart attack.


What causes heart attack?

Most heart attacks occur as a result of coronary artery disease (CAD). CAD is the buildup over time of a material called plaque on the inner walls of the coronary arteries. Eventually, a section of plaque can break open, causing a blood clot to form at the site. A heart attack occurs if the clot becomes large enough to cut off most or all of the blood flow through the artery.


What is a coronary heart disease?

When the heart becomes unhealthy from an unhealthy diet, or lack of exercise, it is less able to function correctly. Over the years the blood vessels may become clogged from plaque buildup resulting in Heart disease.


What are the causes for the heart attack?

A heart attack happens if the flow of oxygen-rich blood to a section of heart muscle suddenly becomes blocked. Most heart attacks occur as a result ofcoronary heart disease (CHD).CHD is a condition in which a waxy substance called plaque builds up inside of the coronary arteries. These arteries supply oxygen-rich blood to your heart. When plaque builds up in the arteries, the condition is called atherosclerosis. The buildup of plaque occurs over many years.Eventually, an area of plaque can rupture (break open) inside of an artery. This causes a blood clot to form on the plaque's surface. If the clot becomes large enough, it can mostly or completely block blood flow through a coronary artery.If the blockage isn't treated quickly, the portion of heart muscle fed by the artery begins to die. Healthy heart tissue is replaced with scar tissue. This heart damage may not be obvious, or it may cause severe or long-lasting problems.