Emergency medicine is facing many challenges, particularly related to the consequences of the pandemic on the pressure of patient flows and the lack of human resources. More than ever, our discipline seeks to offer our patients quality care based on several recent studies, of which the following is a section: a) Gender effect in the administration of tranexamic acid; b) External validation of the Canadian Syncope Risk Score; c) Role of neuro-imaging in psychiatric decompensation; d) Choice of analgesia in renal colic; e) Use of carotid ultrasound for pulse control in cardiac arrest and f) The safetyness of performing simple sutures in non-sterile conditions.