1859, action of barring; man-made barrier in a stream, from French barrer to stop, from barre bar, from Old French barre (see bar (n.1)). Artillery sense is 1916, from World War I French phrase tir de barrage barrier fire intended to isolate the objective. As a verb by 1917.
What happens in cardiac arrest. 1  Once the usual blood circulation stops, oxygen delivery to all vital organs is also stopped. 2  The pulse that is usually seen in the carotid artery in the neck as well in the wrists and ankles is lacking. 3  Cardiac arrest may lead to sudden cardiac death or SCD.
Sudden Cardiac Arrest Facts*. 1  Sudden cardiac arrest is a situation that occurs when the heart suddenly stops beating effectively and blood is not circulated by the heart; about 95% of individuals that have sudden cardiac arrest die from this condition.