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When some one is brain-dead, their circulatory and resiratory functions are still active, but the brain is inactive. Cardiac Death- the heart is stopped- no blood circulates, youu get buried.
Cardiac Necrosis is the death of cardiac tissue.
The only Cardiac muscle in the body is the Heart.
With the heart not beating anymore, oxygenated blood will no longer be pumped to the brain. This in term will slowly starve to death of oxygen, this, in most cases, is around the three minute mark.
"Cardiac arrest" better known as a heart attack.
Brain death can't be determined if the heart has already stopped, this would be considered cardiac death. Brain death is determined when someone is on a ventilator (not breathing on their own due to injury or illness) and an EEG or other procedure has been completed and shows no signs of brain activity. The body will continue to "live" with the help of the ventilator oxygenating the organs, but when taken off the ventilator then the body has no impulse to breathe for itself due to the brain being dead.
One possibility is death because the medulla oblongatta is considered the cardiac center. Without it, or if it is damaged severely can lead to cardiac failure and death.
Cardiac arrythmias.. Sometimes life threatening cardiac arrythmias. Inneficient cardiac out put and death.
New York City early on the morning of September 28, 1891, age 72. The doctor listed "cardiac dilation" on the death certificate.
An infarct.
(And ask questions? - sorry, I couldn't resist.) Seriously: brain death (originally a legal term) by definition means, an irreversible, final (and terminal) cessation of all brain activity. Including not only the neocortex, but the lower regions as well. It is, however, easily confused with various stages of coma.
When the heart suddenly stops beating effectively and breathing ceases, a person is said to have experienced sudden cardiac death.