Odisha, Sept. 18 -- By Dr. Mahesh Pr Agrawala*

Sudden Cardiac Arrest (SCA) occurs when the heart suddenly and unexpectedly stops beating due to abnormality in electrical impulse. This abnormal electrical impulse may be very rapid quivering of ventricle (vent fibrillation) or no heart beat at all (asystole).

If not treated immediately it may lead to fatality due to stoppage of blood supply to brain and lungs.

Worldwide SCA is responsible for approximately 7 million deaths every year. This is equivalent to 1-2 deaths per 1000 population.

Is it same as Heart Attack?

"Heart attack" is often mistakenly used to describe cardiac arrest. While heart attack may cause cardiac arrest, the two aren't the same.

Heart attacks are caused by a bloc...