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.
A âcardiac arrestâ is when your heart stops beating. This is not the same as a âheart attackâ, although a heart attack may lead to a cardiac arrest. There are numerous causes of cardiac arrests, including: 1  A disturbance in the heart rhythm. 2  Drugs/poisoning. 3  Heart disease / a heart attack. 4  Traumatic injury/blood loss.