Exposing the chest gives you several advantages:
30 chest compressions before sweeping the mouth.
There are 30 chest compressions between ventilation's for 1-rescuer CPR.
The recommended depth of chest compressions in adult CPR is 2 inches
yes, you should allow the chest to move all the way back to perform proper compressions
The recommended depth of chest compressions in adult CPR is 2 inches
15 seconds
30 compressions to two breaths. ----
Perform chest compressions for an infant at a rate of at least 100/minute.
30 compressions that are done with frequency of at least 100/minute. Interupted by 2 rescue breaths
Thirty compressions and two breaths per cycle.
chest compressions
Ratio of compressions to breaths for a toddler is 30 compressions to 2 breaths.