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.

BBC: South Africa seal one-day triumph

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

CNN: Biggest danger for hunters? Heart attack, not stray bullet

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.

BBC: Hand-held heart test devised