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Answer :
In 2-rescuer CPR, rescuers should switch positions about every two minutes or after roughly five cycles of compressions and breaths. Positioning and technique are crucial, with emphasis on high-quality chest compressions at a specific rate. CPR continues until there are signs of life or until a healthcare professional takes over.
When to Change Rescuers During 2-Rescuer CPR
During 2-rescuer CPR, it is essential to switch positions approximately every two minutes or after about five cycles of 30 compressions and two breaths. This change helps prevent rescuer fatigue, which can lead to ineffective chest compressions and reduce the chances of survival for the patient. Rescue breaths and chest compressions should be administered quickly and efficiently, with minimal interruptions. However, it's crucial for trained first responders to perform both tasks whereas bystanders are recommended to conduct compression-only CPR.
Correct positioning is critical in performing effective CPR, meaning hands should be placed on the sternum between T4 and T9. High-quality chest compressions should be at least 5 cm deep at a rate of approximately 100 compressions per minute, similar to the beat of the song "Staying Alive" by the Bee Gees. CPR is an emergency technique that circulates blood to vital organs like the brain, which can suffer irreversible damage within minutes without blood flow.
In cases such as drowning, CPR should only commence after the individual is out of the water and on stable ground, as attempting CPR in water is ineffective. Rescuers should continue to perform CPR until the patient regains spontaneous heart contractions or a healthcare professional declares the patient deceased.
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Final answer:
Rescuers performing 2 rescuer CPR should switch positions every 2 minutes, or after about 5 cycles of compressions and breaths, to maintain the quality of compressions and prevent fatigue. The switch should be quick and cause minimal interruption to the chest compressions. Proper training in CPR is paramount for both efficacy and safety.
Explanation:
In 2 rescuer CPR, it is recommended that the rescuers change positions approximately every 2 minutes to prevent fatigue, which can compromise the quality of chest compressions. This is typically after about 5 cycles of 30 compressions and 2 breaths if the compression rate is maintained at 100 per minute. During the switch, it is crucial to minimize interruptions in chest compressions to maintain blood flow; ideally, the switch should occur in less than 5 seconds.
Current guidelines stress the importance of high-quality chest compressions, which involve compressing the chest at least 5 cm deep at the correct rate and proper hand placement between the lines at T4 and T9 on the sternum. Proper training and certification in CPR techniques are essential for ensuring that rescuers are prepared to administer CPR effectively and minimize the risk of injury to the patient. Untrained individuals may inadvertently cause harm, such as broken ribs or damage to the liver due to improper hand placement.
