How often should rhythm checks be performed during CPR?

How often should rhythm checks be performed during CPR?

• A. Every 4 minutes
• B. Every 2 minutes
• C. Every 3 minutes
• D. Every 1 minute

Answer: (B)

Rhythm checks during CPR are done every two minutes. This cadence fits into two-minute CPR cycles, letting you reassess the heart rhythm after a full block of chest compressions without causing unnecessary interruptions. Checking more often would mean longer pauses in compressions and reduce perfusion to the heart and brain, while waiting longer than two minutes could delay recognizing a rhythm that is eligible for defibrillation. So, the standard approach is to perform rhythm analysis every two minutes and resume CPR promptly after any shock delivery or rhythm assessment.

Rhythm checks during CPR are done every two minutes. This cadence fits into two-minute CPR cycles, letting you reassess the heart rhythm after a full block of chest compressions without causing unnecessary interruptions. Checking more often would mean longer pauses in compressions and reduce perfusion to the heart and brain, while waiting longer than two minutes could delay recognizing a rhythm that is eligible for defibrillation. So, the standard approach is to perform rhythm analysis every two minutes and resume CPR promptly after any shock delivery or rhythm assessment.