Commotio cordis, also known as cardiac concussion, is a rare condition that occurs when the chest receives a sudden impact causing the heart to stop eventually leading to death in severe cases. There is no synonym for commotio cordis, but it can often be referred to as an impact-induced sudden cardiac arrest. It mostly occurs in athletes during contact sports and is more common in children, especially boys. Preexisting heart problems may increase the risk of commotio cordis; therefore, it is essential to look out for the warning signs such as chest pain, shortness of breath, and rapid heartbeat. Immediate medical attention is vital in treating commotio cordis to prevent cardiac arrest.