How our solar system was born. 9 May 2016. Discover how a giant interstellar cloud known as the solar nebula gave birth to our solar system and everything in it.
Most deaths due to cardiac arrest are in older adults, particularly those with coronary artery disease. Cardiac arrest is the leading cause of death in young athletes, but the incidence of it is unclear. Perhaps 1 in every 50,000 sudden cardiac deaths a year occurs in young athletes.
The primary cause of a cardiac arrest may be a massive heart attack with extensive heart muscle damage or some other insult to the heart, including the effect of drugs. But often cardiac arrest occurs from damage to other organs.