Answer :
Final answer:
Rescuers in CPR need to switch positions every two minutes to maintain the efficiency of chest compressions. This is due to the physical exhaustion that occurs which might hinder the effectiveness of the CPR. The aim is to continue the blood flow until professional medical aid arrives.
Explanation:
In CPR (Cardiopulmonary Resuscitation), it's important to keep the rhythm and efficiency of chest compressions. According to the American Heart Association, rescuers should switch positions about every two minutes (or after about 5 cycles of compressions and breaths). The switch is necessary due to the physical exhaustion that performing chest compressions can cause, potentially diminishing the effectiveness of the CPR. Remember, the primary aim during CPR is to keep the blood flowing until medical help arrives.
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