Early defibrillation has been called the critical link in the Chain of Survival because the time from collapse to defibrillation often is the key indicator of survival from sudden cardiac arrest. But the strength of the early defibrillation link depends on the strength of the the links that precede it.
Answer: The first one, to keep the blood flowing in only one direction
Answer:Scrub your hands for at least 20 seconds. Need a timer? Hum the “Happy Birthday” song from beginning to end twice. Rinse your hands well under clean, running water.
Explanation: