What is Sudden cardiac death?
'''Sudden cardiac death''' is a condition where a person dies because the [[heart]] fails to work. It’s very common, about 80% of the people have other heart problems. In general three conditions are present: *A problem with the heart *Irregular heartbeat, known as [[cardiac arrhythmia]] *An external cause In general, people become unconscious within one hour from the onset of symptoms. {{Biology-stub}} [[Category:Heart disease]]