Arrhythmias can be caused by ageing, previous heart disease, high blood pressure, electrolyte imbalance and #genetics. Sometimes they can be a crucial indicator of future events, says #Dr Balbir Singh

Arrhythmias can be caused by ageing, previous #heart disease, high blood pressure, electrolyte imbalance and #genetics

Study shows how #Viking age left mark on #genetics of Scandinavians