A 74-year-old man on the medical ward is noted to have a NEWS2 score of 7 (RR 28/min, SpO2 90% on 2 L oxygen, BP 92/58 mmHg, pulse 122 beats/min, new confusion). What is the most appropriate immediate action?AEscalate urgently to senior review/critical care outreach and commence ABCDE assessmentBRepeat observations in 4 hoursCPrescribe oral fluids and discharge planningDAsk the nurse to continue current management as NEWS2 is within normal limitsEArrange routine outpatient clinic review after dischargeCheck my answer