Emergency ultrasound.
D002983:Clinical Competence; D003406:Credentialing / Q000592:standards*; D004503:Education, Medical, Graduate / Q000592:standards*; D004635:Emergency Medicine / Q000592:standards*; D006801:Humans; D008504:Medical Staff Privileges; D012955:Societies, Medical; D014463:Ultrasonography / Q000592:standards*; D014481:United States