Heart disease is one of the leading causes of death globally, and blocked heart veins—also called coronary arteries—are a major contributor. Identifying the early signs can prevent heart attacks, reduce risk, and save lives. In this article, we break down 5 key warning signs that may indicate your heart veins are blocked—and when you should seek medical care.

 1. Chest Pain or Discomfort (Angina)

A classic symptom of artery blockage, chest pain often feels like pressure, squeezing, or burning. It typically occurs during physical activity or stress and subsides with rest. Ignoring this signal can be dangerous.

When to worry: Pain radiating to the left arm, jaw, or back may be a sign of a heart attack.

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2. Shortness of Breath Without Exertion

When your arteries are clogged, the heart struggles to pump oxygen-rich blood. This leads to unexplained shortness of breath, especially when lying down or during mild activity.

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3. Unusual Fatigue or Weakness

Blocked arteries can silently strain your heart, leaving you feeling tired or weak, even after rest. If you're constantly low on energy without a clear cause, it could be cardiac-related.

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4. Dizziness or Light-headedness

Reduced blood flow to the brain from narrowed arteries may cause frequent dizziness or fainting spells. This is especially concerning when accompanied by palpitations or sweating.

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5. Cold Sweats or Nausea

Some blockages don't show classic symptoms like chest pain. Instead, patients may feel nausea, cold sweats, or a sudden feeling of doom, which are often overlooked in women.