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

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

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 validation study that sought to validate proposed HEAR score’ ability to identify low risk patients for acute...
Advanced reperfusion strategies for patients with out-of-hospital cardiac arrest and refractory ventricular fibrillation (ARREST): a phase 2, single centre, open-label, randomised controlled trial

Advanced reperfusion strategies for patients with out-of-hospital cardiac arrest and refractory ventricular fibrillation (ARREST): a phase 2, single centre, open-label, randomised controlled trial

Methodology: 3.5/5 Usefulness: 3.5/5 Yannopoulos D, et al. Lancet. 2020 Dec 5;396(10265):1807-1816. Question and Methods: The ARREST trial was a phase 2, single centre, open-label, RCT comparing early ECMO facilitated resuscitation to ED-based standard ACLS care for...