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First Aid Guides

Heart attack

Causes, signs and symptoms

Having a heart attack isn't always what you see in the movies, symptoms can be very mild and may not appear to be cause for concern.

What can cause a heart attack?

Causes of a heart attack include:

  • Narrowing of the arteries
  • Unhealthy eating
  • Overweight
  • Physically inactive
  • Smoking
  • High blood pressure or cholesterol

Signs and symptoms of a heart attack

Although chest pain or discomfort is the most common symptom of a heart attack, some people will not experience chest pain at all, while others will experience only mild chest pain or discomfort.

When having a heart attack, you may experience pain, pressure, heaviness or tightness in one or more parts of your upper body, including your:

  • Chest
  • Shoulder(s)
  • Neck
  • Arm(s)
  • Jaw
  • Back

This may occur in combination with other symptoms. For example, you may also:

  • Feel nauseous
  • Feel dizzy or light-headed
  • Have a cold sweat
  • Feel short of breath