PT - JOURNAL ARTICLE AU - Jack O'Sullivan TI - Age is the most important clinical feature to help rule out cardiac syncope AID - 10.1136/bmjebm-2019-111270 DP - 2020 Oct 01 TA - BMJ Evidence-Based Medicine PG - 186--187 VI - 25 IP - 5 4099 - http://ebm.bmj.com/content/25/5/186.short 4100 - http://ebm.bmj.com/content/25/5/186.full SO - BMJ EBM2020 Oct 01; 25