What Happens During A Heart Attack? - What is Coronary Heart Disease?

What Happens During A Heart Attack? - What is Coronary Heart Disease?

What Happens During A Heart Attack? - What is Coronary Heart Disease?

What is Coronary Heart Disease? Coronary heart disease or CHD refers to a narrowing of the coronary arteries, the blood vessels that supply oxygen and blood to the heart.

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It is also known as coronary artery disease and it is the
leading cause of death worldwide. It is a major cause of illness and death. Coronary heart disease
normally happens when fatty deposits called cholesterol accumulates on the artery walls,
creating plaques. The arteries narrow, reducing blood flow to the heart. Sometimes, a clot can
obstruct the flow of blood to the heart muscle. CHD commonly causes angina pectoris (chest
pain), shortness of breath, myocardial infarction, or heart attack. A heart attack is the sudden
slowing or stopping of contractions of the heart muscles. This could be due to malfunction of the
cardiac muscles. Part of the heart muscle dies due to lack of oxygen. Heart attacks can also lead
to death.
CHD can also be caused by hypertension, coronary thrombosis, arteriosclerosis and
atherosclerosis. Hypertension is also known as high blood pressure, it is when our blood
pressure, the force of blood flowing through your blood vessels, is consistently too high.
Coronary thrombosis is forming of blood clot or thrombus in the artery. It is most likely to occur
in narrow arteries. Arteriosclerosis and atherosclerosis is the narrowing and hardening of arteries.
This happens due to cholesterol deposition on them. Most of the blocks in the artery are caused
by a combination of atheroma and thrombus. When this bloackage occurs it is called coronary
occlusion.
Causes of Coronary Heart Disease
CHD can be caused due to unhealthy lifestyle habits and even genetics. Certain mutations in the
genes are linked to this disease. A study published in PLOS in 2017, even linked CHD to food
preparation on high heat. Unhealthy diet rich in cholesterol and saturated fats, leads to high
blood cholesterol level. Smoking increases heart rate and blood pressure, this causes blood to
clot more easily. Carbon monoxide in cigarette smoke replaces some of the oxygen in our blood.
This increases our blood pressure and heart rate by forcing our heart to work harder to supply
enough oxygen.
Women who smoke and take birth control pills are at greater risk of having a heart attack or
stroke than are those who do not smoke or take birth control pills, because both can increase the
risk of blood clots. Tobacco has toxins, which reduces the blood’s ability to carry oxygen. Stress
releases adrenaline, which increases heart rate and blood pressure.
Prevention
A diet rich in fruits, vegetables and whole grains can help protect your heart. Aim to eat beans,
low-fat or fat-free dairy products, lean meats, and fish as part of a healthy diet. Avoid too much
salt and sugars in your diet. Limiting certain fats you eat also is important. Exercise regularly and
maintain weight. Stop or do not start smoking. Avoid all forms of tobacco use, as all are equally
harmful. Reduce stress in your life.

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Content

0 -> What Happens During a Heart Attack? - What is Coronary Heart Disease?
2.93 -> What is Coronary Heart Disease?
6.06 -> Coronary heart disease or CHD
8.3 -> refers to a narrowing of the coronary arteries,
11.13 -> the blood vessels that supply oxygen and blood to the heart.
14.3 -> It is also known as coronary artery disease.
17.43 -> It is the utmost cause of major illnesses
19.83 -> and deaths worldwide.
21.53 -> Coronary heart disease normally happens
23.76 -> when fatty deposits called cholesterol
25.76 -> accumulates on the artery walls,
28.03 -> creating plaques.
29.5 -> The arteries are being tightened
31.23 -> and makes it difficult for blood to flow to the heart.
34.26 -> CHD may also be caused
36.26 -> by blood clots or thrombus
38 -> that totally occludes the blood flow.
40 -> When these blockages occur
42 -> it is called coronary occlusion.
44.5 -> Most of the blocks in the artery
46 -> are caused by a combination of atheroma in atherosclerosis
50.03 -> and thrombus in thrombosis.
52.66 -> Atherosclerosis and arteriosclerosis
55.96 -> is the narrowing and hardening of arteries
58.4 -> by atheroma or cholesterol deposition,
61.13 -> so they could not dilate.
63 -> The blockages or occlusion then causes myocardial infarction
67 -> or heart attack,
68.2 -> which is the sudden slowing
69.36 -> or stopping of contractions of the heart muscles.
72.16 -> CHD commonly induces angina pectoris or chest pain and shortness of breath.
77.93 -> This could be due to the malfunction of the cardiac muscles.
81.33 -> Its parts could die owing to the lack of oxygen
84.2 -> supposedly delivered by the clotted blood.
86.66 -> CHD can also be caused by hypertension.
89.93 -> It happens when blood flows through the blood vessels
92.43 -> in a consistent high pressure.
94.66 -> Causes of Coronary Heart Disease
97.13 -> CHD can be caused even by genetics.
99.86 -> Certain mutations in the genes are linked to it.
102.53 -> But mostly,
103.4 -> this disease is due to unhealthy lifestyle habits.
106.46 -> A study published in PLOS in 2017
110.2 -> even linked CHD to the use of high heat in food preparation.
114.46 -> An unhealthy diet rich in cholesterol and saturated fats
118.3 -> leads to high blood cholesterol levels,
120.7 -> worsening the situation.
122.7 -> Smoking is one of the most damaging lifestyle to your heart function.
126.5 -> Toxic contents in tobacco
128.46 -> limit the blood’s ability to carry oxygen.
130.93 -> The carbon monoxide in cigarette smoke
133.33 -> relocates some of the oxygen supposedly in the blood.
136.46 -> This condition forces the heart to work harder to supply enough oxygen
140.1 -> then results in increasing heart rate and blood pressure.
143.1 -> Women who smoke
144.6 -> or inhale secondhand smoke
146.16 -> and take birth control pills
147.7 -> are at greater risk of having a heart attack or stroke
150.73 -> than those who do not.
152.16 -> Both the smoke and pills
153.9 -> carry increased risk of blood clot.
155.9 -> On top of all,
157.4 -> being stressed lets out adrenaline hormone
160.03 -> and raises the heart rate and blood pressure.
163.56 -> Prevention
164.7 -> Make plans to stop smoking
166.66 -> and do not start one.
168.13 -> Avoid all forms of tobacco use,
170.66 -> as all are equally harmful.
172.6 -> Set out a diet enriched by fruits,
174.6 -> vegetables, and whole grains.
176.56 -> It helps to protect our hearts.
178.56 -> Prefer beans,
179.86 -> low or free fat dairy products,
182.26 -> lean meats, and fishes for a healthier diet
184.93 -> and eat less sugar and salt.
186.93 -> Limiting certain fats you eat is also important.
189.86 -> Start to exercise regularly
191.96 -> and maintain weight.
193.43 -> Finally, find a way to reduce stress in your life.

Source: https://www.youtube.com/watch?v=xBAvxnT0ZvI