By: Dr. Mohamed Osman

Coronary Artery Disease: A Simple Medical Guide to Symptoms, Causes, and Treatment with Dr. Mohamed Othman El-Ghareeb

Coronary artery disease (CAD) is one of the most common and serious heart conditions worldwide. It is directly related to the blood supply that feeds the heart muscle with oxygen and nutrients. When the coronary arteries become narrowed or blocked, the amount of blood reaching the heart decreases, leading to symptoms that may start mildly but can progress over time if not properly managed.

In an educational medical video, Dr. Mohamed Othman El-Ghareeb, Consultant Cardiologist, explains coronary artery disease in a simplified way, highlighting its main symptoms, risk factors, and modern treatment approaches that help control the condition and reduce complications.

This article is based on the explanation provided in the video, rewritten in a clear and simplified medical style for better understanding.

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What is Coronary Artery Disease?

Coronary artery disease is a condition that occurs when the blood supply to the heart muscle is reduced due to narrowing or blockage in the coronary arteries, which are responsible for supplying oxygen-rich blood to the heart.

The heart, like any other muscle in the body, requires a continuous supply of oxygen and nutrients. When blood flow decreases, the heart muscle begins to struggle, leading to symptoms such as chest pain or shortness of breath.

Dr. Mohamed Othman explains that this condition usually does not appear suddenly. Instead, it develops gradually over years due to the buildup of fat and cholesterol inside the artery walls.

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How Does Coronary Artery Disease Develop?

The coronary artery can be imagined as a pipe that carries blood to the heart. Over time, fatty deposits may accumulate inside this pipe, causing it to become narrower.

The narrower the artery becomes, the less blood reaches the heart. When the narrowing becomes severe, symptoms start to appear clearly.

In some cases, a complete blockage may occur, which can lead to angina (chest pain) or a heart attack.

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Symptoms of Coronary Artery Disease

Symptoms may vary from person to person, but the most common include:

Chest pain or pressure, especially during physical activity

Shortness of breath

Unexplained fatigue

Rapid exhaustion during simple activities

Pain radiating to the arm, shoulder, or jaw

Excessive sweating without clear reason

Nausea or general discomfort

Some patients, especially those with diabetes, may not experience typical chest pain, making early diagnosis very important.

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When is Chest Pain Dangerous?

Immediate medical attention is required in the following cases:

Severe chest pain that does not improve with rest

Pain lasting more than a few minutes

Sudden severe shortness of breath

Dizziness or fainting

These symptoms may indicate a heart attack and require emergency care.

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Risk Factors of Coronary Artery Disease

Controllable factors:

Smoking

High blood pressure

High cholesterol

Diabetes

Obesity

Physical inactivity

Chronic stress

Non-controllable factors:

Age

Genetics

Gender

Controlling risk factors can significantly reduce the risk of disease progression.

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Diagnosis

Diagnosis may include:

ECG (Electrocardiogram)

Stress test

Blood tests

Coronary imaging

Cardiac catheterization (in some cases)

Early diagnosis helps prevent complications and heart damage.

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Treatment

Medical treatment:

Improving blood flow

Lowering blood pressure

Reducing cholesterol

Preventing blood clots

Lifestyle changes:

Quitting smoking

Healthy diet

Regular exercise

Weight control

Stress reduction

Advanced treatment:

Cardiac catheterization

Heart surgery (in severe cases)

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Prevention

Prevention includes:

Regular exercise

Healthy eating habits

Routine medical checkups

Avoiding smoking

Reducing sugar and fat intake

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Silent Disease Possibility

In some cases, coronary artery disease may not show symptoms and is only discovered during routine medical exams.

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Conclusion

Coronary artery disease is a progressive condition that affects blood flow to the heart. Early detection, lifestyle changes, and proper treatment play a major role in preventing serious complications.

Heart health depends on awareness, prevention, and regular follow-up rather than waiting for symptoms to appear.

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Video