Cardiopulmonary resuscitation (CPR) is a common rescue method for some patients with cardiac arrest and respiratory arrest. Artificial chest compressions combined with artificial respiration are used to help patients breathe circularly.

Once cardiac arrest occurs, if it is not rescued immediately, it will cause irreversible damage to the patient's brain and other important organs and tissues after 4 ~ 6 minutes, so cardiopulmonary resuscitation must be carried out immediately after cardiac arrest.

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Matters needing attention in implementing cardiopulmonary resuscitation:

First, the volume of artificial respiration should not be too loud, so as not to cause flatulence in the patient's stomach.

Second, when chest compressions, ensure sufficient frequency and depth, try not to interrupt chest compressions, and let the chest fully rebound after each chest compressions to ensure that the heart can get sufficient blood return.

Three, mouth-to-mouth blowing and chest compression should be carried out at the same time, in strict accordance with the proportion of blowing and pressing, blowing and pressing too many times will affect the success or failure of recovery.

Fourth, in order to avoid irreversible brain damage, once the patient stops breathing, cardiopulmonary resuscitation should be performed immediately.

Five, in the rescue of drowning or asphyxiated cardiac arrest patients, emergency personnel should carry out five cycles of cardiac resuscitation, and then dial 120 to start the EMS system.

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