Talk: Cardiac arrest

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I think there is a slight difference between "clinical death" and "cardiac arrest".
Cardiac arrest inevitably leads to clinical death but clinical death is the period when circulation ceases and oxygen etc supply is cut from vitally important tissues, namely brain and heart muscle. The consequence is shift into anaerobic metabolism, acidosis and cell disintegraton.
This period is variable and depends on many factors for instance age and surroundings temperature.
There have been examples of successful resuscitation of people drowned for half and hour in ice-cold water.

I agree.