What is coronary artery disease articles?

Coronary artery disease is the buildup of plaque in the arteries that supply oxygen-rich blood to your heart. Plaque causes a narrowing or blockage that could result in a heart attack. Symptoms include chest pain or discomfort and shortness of breath.

What causes a coronary heart attack?

CAD happens when coronary arteries struggle to supply the heart with enough blood, oxygen and nutrients. Cholesterol deposits, or plaques, are almost always to blame. These buildups narrow your arteries, decreasing blood flow to your heart. This can cause chest pain, shortness of breath or even a heart attack.

Which artery is most commonly involved in heart attack?

Most myocardial infarctions occurred in the right coronary artery (RCA; n=92, 44%) and left anterior descending artery (LAD; n=81, 39%) (Table 2).

What happens during a heart attack article?

During a heart attack, a lack of blood flow causes the tissue in the heart muscle to die. A heart attack occurs when the flow of blood to the heart is severely reduced or blocked. The blockage is usually due to a buildup of fat, cholesterol and other substances in the heart (coronary) arteries.

What is coronary artery disease PDF?

Poor blood flow to the heart is called coronary artery disease (CAD) and can cause angina or a heart attack. Angina. Plaque build up in the coronary arteries to the heart causes poor blood flow and the heart may not receive all the oxygen that it needs.

How serious is coronary artery?

Narrowed arteries can cause chest pain because they can block blood flow to your heart muscle and the rest of your body. Over time, CAD can weaken the heart muscle. This may lead to heart failure, a serious condition where the heart can’t pump blood the way it should.

What are the 4 silent signs of a heart attack in a woman?

The Four “Silent” Symptoms of a Heart Attack

• Uncomfortable pressure, squeezing, fullness or pain in the center of your chest.
• Pain or discomfort in one or both arms, the back, neck, jaw or stomach.
• Shortness of breath with or without chest discomfort.
• Breaking out in a cold sweat, nausea, vomiting or lightheadedness.

What are 3 signs someone is having a heart attack?

It can feel like uncomfortable pressure, squeezing, fullness or pain. Discomfort in other areas of the upper body. Symptoms can include pain or discomfort in one or both arms, the back, neck, jaw or stomach. Shortness of breath.

What are the types of coronary artery disease?

Types of Coronary Artery Disease

• Obstructive coronary artery disease, with narrowed or blocked vessels.
• Non-obstructive coronary artery disease, with arteries that inappropriately constrict or malfunction after branching into tiny vessels, or are squeezed by overlying heart muscle.

Who is at risk for coronary artery disease?

What are the risks for coronary artery disease? Overweight, physical inactivity, unhealthy eating, and smoking tobacco are risk factors for CAD. A family history of heart disease also increases your risk for CAD, especially a family history of having heart disease at an early age (50 or younger).

What are the 4 coronary arteries?

They branch off of the aorta at its base. The right coronary artery, the left main coronary, the left anterior descending, and the left circumflex artery, are the four major coronary arteries.

Can you get heart attack while sleeping?

Heart attacks can happen when you’re asleep or awake. They can happen when: You just went through something very physically or emotionally stressful. You quickly become more physically active.

Can ECG detect heart attack?

Wires from the electrodes are connected to the ECG machine, which records the electrical impulses. An ECG is important because: it helps confirm the diagnosis of a heart attack. it helps determine what type of heart attack you have had, which will help determine the most effective treatment.

Can stress cause a heart attack?

Research shows that chronic stress can lead to inflammation in the arteries, plaque buildup, and other risk factors for cardiovascular disease and heart attack. In fact, stress is as significant a risk factor for a heart attack as other well-known risks, like obesity, high cholesterol, and diabetes.

Which artery is called 3rd coronary artery?

Supernumerary coronary artery which arises independently from the right aortic sinus (sinus Valsvae) and passes through subepicardial adipose tissue of pulmonary conus and anterior side of the right ventricule, is called third coronary artery, preinfundibular artery or gentle Vieussens’ artery (1, 3, 4).