title: Why look for artifacts alone when the original is visible?
authors.forename: Gebhard
authors.initials: G
authors.lastname: Mathis
mesh_terms: D000208:Acute Disease; D016477:Artifacts; D003937:Diagnosis, Differential; D003951:Diagnostic Errors; D006801:Humans; D012131:Respiratory Insufficiency / Q000000981:diagnostic imaging*; D014463:Ultrasonography