7 warning signs of a heart attack you should never ignore

ET Online

Jul 3, 2025

Chest Discomfort or Pressure

A feeling of heaviness, tightness, or squeezing in the chest that lasts more than a few minutes or keeps coming back is the most classic red flag.

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Pain in Arm, Jaw, Neck, or Back

Unexplained pain in one or both arms, the jawline, or the back — especially if it radiates — could be a referred symptom of a heart problem.

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Shortness of Breath

Struggling to breathe during regular activities or lying down, even without chest pain, can be a silent sign your heart isn’t pumping effectively.

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Irregular or Racing Heartbeat

A sudden fluttering, pounding, or irregular heartbeat — especially when paired with breathlessness or chest pain — can be an early warning your heart is in distress.

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Unusual Sweating or Cold Sweat

Breaking into a sudden sweat, especially cold sweat, when you’re not exerting yourself physically is a common but overlooked sign of heart trouble.

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Extreme Fatigue or Weakness

Feeling exhausted or unusually weak for no reason — especially if it’s persistent or sudden — may be your heart failing to deliver oxygen efficiently.

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Nausea, Dizziness, or Feeling Lightheaded

Many confuse this with acidity or dehydration, but if you feel dizzy or nauseous along with chest discomfort, get medical help immediately.

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When to See a Doctor

Never ignore these signs. If even 2–3 symptoms show up together, especially chest pain and breathlessness — rush to a hospital. Early intervention can prevent a fatal heart attack.

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