Which of the following describes the MOST appropriate method of performing chest compressions on an adult patient in cardiac arrest?
1) Compress the chest at a rate of 100-120 compressions per minute
2) Compress the chest at a rate of 60-80 compressions per minute
3) Compress the chest at a rate of 30-40 compressions per minute
4) Compress the chest at a rate of 10-20 compressions per minute