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Coronary Artery Disease: Symptoms, Causes & Treatment

  • Writer: Dr. Mark Hyman
    Dr. Mark Hyman
  • Feb 6
  • 3 min read

Introduction

Coronary Artery Disease (CAD) is the most common type of heart disease and a major cause of death in the United States and globally. It develops when the coronary arteries, which supply oxygen-rich blood to the heart muscle, become narrowed or blocked due to plaque buildup. If left untreated, CAD can lead to chest pain (angina), heart attack, heart failure, or sudden cardiac death.


At Take Ivermectin™, we aim to provide trusted, easy-to-understand medical information to help you recognize heart disease early and take proactive steps toward better cardiovascular health.


Symptoms, Causes & Treatment. Ivermectin logo.

What Is Coronary Artery Disease?

Coronary Artery Disease occurs when fatty deposits (cholesterol and plaque) accumulate inside the coronary arteries. This condition, known as atherosclerosis, restricts blood flow to the heart. Over time, reduced blood flow weakens the heart muscle and increases the risk of serious cardiac events.

CAD often progresses silently for years before symptoms appear, making awareness and prevention extremely important.


Symptoms of Coronary Artery Disease

Symptoms of coronary artery disease vary depending on the severity of blockage. Some people may not notice symptoms until a heart attack occurs.


Common CAD Symptoms

  • Chest pain or pressure (angina)

  • Shortness of breath

  • Fatigue during physical activity

  • Dizziness or lightheadedness

  • Nausea or sweating

  • Heart palpitations


Symptoms of a Heart Attack

  • Severe chest pain radiating to arm, neck, jaw, or back

  • Sudden shortness of breath

  • Cold sweat

  • Nausea or vomiting

  • Loss of consciousness

⚠️ Women may experience atypical symptoms such as fatigue, indigestion, or jaw pain.


Causes of Coronary Artery Disease

The primary cause of coronary artery disease is atherosclerosis, but several factors contribute to plaque formation.

Major Causes Include

  • High LDL (bad) cholesterol

  • High blood pressure

  • Smoking and tobacco use

  • Diabetes

  • Obesity

  • Chronic inflammation

  • Sedentary lifestyle

Damage to the artery lining allows cholesterol deposits to accumulate, gradually narrowing the arteries and restricting blood flow.


Risk Factors for Coronary Artery Disease

Certain risk factors significantly increase the chances of developing CAD.

Non-Modifiable Risk Factors

  • Age (risk increases after 45 for men and 55 for women)

  • Family history of heart disease

  • Male gender

Modifiable Risk Factors

  • Smoking

  • Poor diet

  • Physical inactivity

  • High cholesterol levels

  • High blood pressure

  • Stress

  • Excessive alcohol intake

Managing these risk factors can dramatically reduce CAD progression.


How Coronary Artery Disease Is Diagnosed

Doctors use several tests to diagnose coronary artery disease accurately.

Common Diagnostic Tests

  • Electrocardiogram (ECG)

  • Stress test

  • Echocardiogram

  • Coronary angiography

  • CT coronary calcium scan

  • Blood tests (cholesterol, CRP)

Early diagnosis allows effective treatment and prevents complications.


Treatment Options for Coronary Artery Disease

Treatment focuses on improving blood flow, reducing symptoms, and preventing heart attacks.

1. Lifestyle Changes

  • Heart-healthy diet (low fat, low salt)

  • Regular physical activity

  • Smoking cessation

  • Weight management

  • Stress reduction

2. Medications

Doctors may prescribe:

  • Statins (cholesterol-lowering drugs)

  • Beta-blockers

  • ACE inhibitors

  • Antiplatelet medications (aspirin)

  • Nitrates for chest pain

👉 Learn more about coronary artery disease treatment options through medically guided care at Take Ivermectin™.

3. Medical Procedures

  • Angioplasty and stent placement

  • Coronary artery bypass grafting (CABG)

These procedures restore proper blood flow in severe cases.


Prevention of Coronary Artery Disease

Preventing CAD is possible with healthy habits and regular monitoring.

Effective Prevention Tips

  • Eat a balanced, heart-friendly diet

  • Exercise at least 30 minutes daily

  • Maintain healthy cholesterol levels

  • Control diabetes and blood pressure

  • Quit smoking

  • Get regular heart checkups

At Take Ivermectin™, we encourage preventive care as the best defense against heart disease.


Complications of Coronary Artery Disease

Untreated CAD can result in:

  • Heart attack

  • Heart failure

  • Arrhythmia

  • Sudden cardiac arrest

  • Reduced quality of life

Early intervention significantly lowers these risks.


Living With Coronary Artery Disease

With proper treatment and lifestyle changes, many people live long, active lives with CAD. Regular follow-ups, medication adherence, and emotional support play a crucial role in managing heart health.


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FAQs – Coronary Artery Disease

What is the main cause of coronary artery disease?

The primary cause is plaque buildup due to high cholesterol and inflammation in coronary arteries.

Can coronary artery disease be cured?

CAD cannot be completely cured, but it can be effectively managed and slowed with treatment.

Is coronary artery disease hereditary?

Yes, family history increases the risk, especially if close relatives had early heart disease.

How serious is coronary artery disease?

CAD is a serious condition that can lead to heart attacks and death if untreated.

How can I reduce my risk of CAD?

Healthy diet, exercise, quitting smoking, and regular medical checkups help reduce risk.


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