Chest pain : It’s the classic sign of a heart attack, yet many people don’t realise this could be a medical emergency.

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Feeling sick : Obviously not every bout of nausea equals a heart attack – but if you’re getting pain as well, alarm bells should ring.

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Stomach pain or indigestion : An indigestion-type pain or stomach can be a sign of a heart attack or related heart problem.

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Feeling sweaty : Feeling hot and clammy along with chest pains is a sign that you should call an ambulance.

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Leg pain : Professor Newby says: “If you get a gripping, cramping sensation in your calves when you are walking, it might be worth seeing your doctor.

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Arm pain : You might not associate arm pain with your heart, but it can be a sign of a heart attack.

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Jaw or back pain : Professor Newby says: “With heart attacks, it can even happen that the pain is felt in the jaw.

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Choking sensation : “The word ‘angina’ actually means ‘choking’, and sometimes the tightness or pain can be up in the throat.

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Swollen ankles : This shouldn’t be ignored, especially if the ankles get really big, as it can be a marker of heart failure.

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