After what time the does the ischemic brain of an accident casualty die?

Explanation

Correct answer: After approx. 4-5 minutes.

The brain is an organ extremely sensitive to a lack of oxygen. When cardiac arrest occurs, the supply of oxygenated blood ceases, which after just 4-5 minutes leads to irreversible damage and the death of nerve cells. Therefore, it is crucial to immediately begin cardiopulmonary resuscitation in order to restore circulation and prevent permanent brain damage.

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The recovery position is deemed safe for the person injured in a road accident because:

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