Possible warning signs of a heart attack include:

l Heavy pressure, tightness, crushing pain or unusual discomfort in the centre of the chest.

l Heavy pressure, tightness, crushing pain or unusual discomfort in the centre of the chest.

l This might feel like indigestion, spread to shoulders, arms, neck or jaw and last for more than 15 minutes. It might stop or weaken and then return.

l Sweating, sickness, faintness or shortness of breath might be experienced.

l There might be a rapid, weak pulse.

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