“from my Linkedin post: The sudden cardiac arrest of a Buffalo Bills football player, Damar Hamlin reminds me as a cardiologist that widely available, basic life support classes teach the two primary determinants of victim survival: -time to initiation of effective cardiopulmonary resuscitation, -time to electrical defibrillation. As described in my memoir, Different Drummer; "Cardiac resuscitation has evolved from physicians cutting open a patient's chest and rhythmically squeezing the victim's heart...to closed-chest compressions at a rate equal to the song Stayin' Alive'... Defibrillation can now be administered by trained laypeople using an automated external defibrillator, a device that is often available in public facilities...” CprAedSudden Cardiac Arrest Book:Different Drummer: A Cardiologist's Memoir of Imperfect Heroes and Care for the Heart Source: Different Drummer: A Cardiologist's Memoir of Imperfect Heroes and Care for the Heart