Chest pain in the emergency room: value of the new HEAR score identifying patients with low risk of acute coronary syndrome without troponin testing

Abstract

Highlights • HEAR score identifies very low-risk chest pain patients.• 36% of ED patients classified as low risk (HEAR < 2).• No MACE observed at 45-days in low-risk group.• Upper 95% CI for event rate: 0.46%.• HEAR may complement troponin-based strategies.