What is the rhythm of resuscitation with two first aiders?

For every two rescuers, provide 30 chest compressions and two rescue breaths.

Adult

- Compression/Ventilation Ratio: 30:2

- Compression Depth: At least 2 inches (5 centimeters)

- Compression Rate: 100 to 120 minutes

- Rescue Breaths: Give 2 rescue breaths at less than 1 second each