15
Jun
Danish footballer Christian Eriksen underwent a cardiac arrest during a European Championship match on Saturday. But doctors are still no clearer as to why his heart stopped suddenly - and looking for the cause is now a priority. "It was a 29-year-old fighting for his life, we now need to try to find out what actually happened," said Prof Sanjay Sharma, cardiologist and chairman of the Football Association's expert cardiac committee. As Erikson spends his third night in hospital, let's learn more about the condition. One of the most common causes of a cardiac arrest is a life-threatening abnormal heart rhythm. Other causes include…