Cardiology, Featured, Journal Club External validation of a low HEAR score to identify emergency department chest pain patients at very low risk of major adverse cardiac events without troponin testing by Alexandre Pelletier, Ian Stiell, Hans Rosenberg February 28, 2022 0 Methodology: 3.5/5 Usefulness: 2.5/5 O’Rielly CM, et al. CJEM. 2021 Jul 17. doi: 10.1007/s43678-021-00159-y. Question and Methods: Secondary analysis v... Read more.