Consent for emergency physician-performed echocardiography.
D002983:Clinical Competence; D004452:Echocardiography; D004635:Emergency Medicine; D006801:Humans; D007022:Hypotension / Q000175:diagnosis; D007258:Informed Consent / Q000592:standards*; D012107:Research Design; D018487:Ventricular Dysfunction, Left / Q000175:diagnosis