What are the Causes of Heart Attack?

Heart disease encompasses various conditions, and while sudden cardiac arrest and sudden death due to a heart attack are critical events associated with the cardiovascular system, they represent different aspects of heart-related issues.

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1. Coronary Artery Disease (CAD) :-

  • CAD occurs when plaque builds up in the coronary arteries, narrowing them and reducing blood flow to the heart muscle.
  • Plaque buildup can rupture, leading to blood clot formation that can block the artery, causing a heart attack.



    • 2. High Blood Pressure (Hypertension) :-

  • High blood pressure can damage arteries over time, making them more susceptible to plaque buildup.
  • It increases the workload on the heart, leading to heart muscle thickening and potential strain.



    • 3. High Cholesterol Levels :-

  • High levels of LDL cholesterol (the "bad" cholesterol) can lead to plaque buildup in the arteries.
  • Plaque buildup narrows the arteries, reducing blood flow and increasing the risk of blood clots.

    • 4. Smoking :-

  • Smoking damages blood vessels, leading to atherosclerosis (hardening and narrowing of arteries).
  • It also increases blood pressure and heart rate, making the heart work harder.

    • 5. Obesity and Poor Diet :-

  • Obesity, especially excess abdominal fat, is linked to high cholesterol, high blood pressure, and insulin resistance, all of which increase heart attack risk.
  • Diets high in saturated and trans fats, cholesterol, and sodium contribute to plaque buildup and inflammation in the arteries.

    • 6. Diabetes :-

  • Diabetes increases the risk of heart attack due to its association with obesity, high blood pressure, and high cholesterol.
  • High blood sugar levels can also damage blood vessels and nerves, contributing to heart disease.

    • 7. Physical Inactivity :-

  • Lack of regular physical activity can lead to obesity, high blood pressure, high cholesterol, and insulin resistance, all of which increase heart attack risk.
  • Exercise helps maintain a healthy weight, improves cholesterol levels, and strengthens the heart muscle.

    • 8. Stress :-

  • Chronic stress can contribute to unhealthy behaviors such as overeating, smoking, or drinking excessively, all of which increase heart attack risk.
  • Stress hormones like cortisol can also increase blood pressure and heart rate, putting strain on the heart.

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    About Us

    Dr. Varun Bansal is a highly accomplished medical professional specializing in cardiovascular care. Possessing an MBBS degree, DNB (Cardiothoracic Surgery), and FACS (Fellowship Advanced Cardiac Surgery) from the prestigious University of Toronto

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