PT - JOURNAL ARTICLE AU - Cátia Costa Oliveira AU - Sérgia Rocha AU - Sónia Magalhães TI - Wide QRS arrhythmia: what is the diagnosis? AID - 10.1136/emermed-2021-211254 DP - 2022 Feb 01 TA - Emergency Medicine Journal PG - 99--158 VI - 39 IP - 2 4099 - http://emj.bmj.com/content/39/2/99.short 4100 - http://emj.bmj.com/content/39/2/99.full SO - Emerg Med J2022 Feb 01; 39