Reading Time: 5 minutesRisk stratification is like creating a personalized danger-meter for your health. It’s a systematic way to figure out who’s most likely to face a serious problem, like cardiac arrest, and who’s probably in the clear. In the context of the study “Risk Stratification for Future Cardiac Arrest after COVID-19 Vaccination” by Nicolas Hulscher and Peter A. McCullough (published February 26, 2025, in the World Journal of Cardiology), this protocol is designed to spot people at risk of sudden heart failure after getting a COVID-19 vaccine. Let’s break down how the risk stratification protocol works, in simple terms, like a recipe for assessing heart risk.