Amla in particular looked assured, caressing anything straight through mid-wicket while De Villiers used his feet intelligently to disrupt the rhythm of the Australian attack.

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It can trigger a heart attack or even potentially worse a lethal heart rhythm disturbance.

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When the patient first gets the personal heart attack detector, they would take an Electrocardiogram (ECG), which records the rhythm and activity of the heart.

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Aspirin can also be used as a long term treatment for those with a history of heart attack and stroke, or who have peripheral arterial disease, stable angina or atrial fibrillation - an irregular heart rhythm.

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