What is the correct way to perform CPR?

What is the correct way to perform CPR?

The correct answer is B. It is important to know that learning CPR from the movies is a bad idea. Very often they show us 3 or 5 chest compressions, which probably looks more dramatic, but in reality, we need a lot more. We need to build enough pressure in the blood vessels so that the oxygenated blood reaches the brain and this is not possible if we stop every 3 or 5 compressions. Also every time we stop to give a breath we need to do it quickly because every second without chest compressions means less oxygen for the brain, which lowers the chances of survival.

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