A sudden cardiac arrest occurs when the heart suddenly stops beating which strikes people all of a sudden irrespective of age or sex of a victim. A sudden cardiac arrest causes cessation of blood flow to the other vital organs of the body including the brain which highlights the importance of immediate treatment for avoiding death. The best way to avoid this situation is by attaining knowledge in the CPR skills and for that one can go for a BLS class Nashville or an Advanced Cardiac Life Support class or a Pediatric Advanced Life Support class. All these programs have been designed for healthcare providers but there are courses for the non-healthcare providers as well. CPR is a combination of chest compressions and rescue breaths which can restore the life of a cardiac arrest victim through proper application. But for training always select an accredited training center such as the AHA accredited CPR Nashville in Tennessee where certified instructors conducts the classes.