The answer is 114 compressions per minute. Chest compression is a technique used during cardiopulmonary resuscitation or for the treatment of choking.The latest CPR procedure does not allow or make use of mouth to mouth breathing as part of the protocol for an 8 year old and adults. The emphasis now being on continuously doing he chest compressions
The first heart chamber that the dye would enter is right atrium.
This will be followed by
left ventricle
right ventricle
left atrium
coronary valve