Heart disease kills more than 2,000 Americans everyday. Approximately 60 million Americans have heart disease. There are many causes of heart disease. In this article we will discuss heart disease affecting coronary arteries and coronary veins.

Heart disease affecting coronary arteries and coronary veins:
The malfunctioning of the heart may be owing to damage caused by narrowed or blocked arteries leading to the muscle of your heart as well as blood backing up in the veins. Types of heart disease that affect the coronary arteries and veins include:

1. Angina pectoris
Angina pectoris occurs when the heart muscle doesn't get as much blood oxygen as it requires. Here are 3 types of angina pectoris:
a) Stable angina
Stable angina is chest pain or discomfort that commonly occurs with activity or stress owing to oxygen deficiency in the blood muscles and commonly follows a predictable pattern. Symptom of stable angina comprise chest pain, tightness, pressure, indigestion feeling and pain in the upper neck and arm.

b) Unstable angina
Unstable angina is caused by blockage of the blood flow to the heart. Without blood and the oxygen, part of the heart starts to die. Symptoms of unstable angina comprise pain spread down the left shoulder and arm to the back, jaw, neck, or right arm, discomfort of chest and chest pressure.

c) Variant angina also known as coronary artery spasm
Caused by the narrowing of the coronary arteries. This is caused by the contraction of the smooth muscle tissue in the vessel walls. Symptoms of variant angina comprise increasing of heart rate, pressure and chest pain.

2. Heart attacks known as myocardial infarction or MI
Heart attacks caused by plaque rupture with thrombus formation in a coronary vessel, resulting in an acute reduction of blood supply to a portion of the myocardium. Symptoms of MI comprise a squeezing sensation of the chest, sweating, nausea and vomiting, upper back pain and arm pain.

3. Heart disease also known as coronary artery disease or coronary heart disease
Caused by arteries hardening and narrowing, cutting off blood flow to the heart muscle and resulting in heart attack. Symptoms of heart disease comprise shortness of breath, chest pains on exertion, palpitation, dizziness and fainting.

4. Atherosclerosis or hardening of arteries
Arteries are blood vessels that carry oxygen-rich blood to your heart and to other parts of your body. Atherosclerosis is caused by plaques that rupture in result of blood clots that block blood flow or break off and travel to another part of the body. Atherosclerosis has no symptom or warning sign.

5. Silent ischemia.
Ischemia is a condition in which the blood flow is restricted to a part of the body caused by narrowing of heart arteries. Silent ischemia means people have ischemia without pain. There is also no warning sign before heart attack.

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