Lisa Marie Presley Dies after Possible Cardiac Arrest: What We Know -

Lisa Marie Presley died Thursday after suffering from a possible cardiac arrest. Cardiac arrest, which is the sudden loss of heart function, breathing, and consciousness, can be deadly if cardiopulmonary resuscitation (CPR) is not immediately administered. By keeping blood flowing to vital organs like the brain, CPR can save a person’s life, and with it, their brain function.