Posted in NEWS What are cardiac arrest, heart attack and heart failure? January 3, 2023 Heart disease is a leading killer around the world and the top cause of death in the United States. It killed an estimated 17.9 million people in 2019, representing 32% of all deaths globally, according to the World Health Organization. https://www.cnn.com/2023/01/03/health/cardiac-arrest-heart-attack-heart-failure-explainer-wellness/index.html