A 60-year-old man has a NEWS2 score of 5 on the surgical ward due to tachypnoea, tachycardia and mild hypotension following colectomy. According to NEWS2 guidance, what should this trigger?ANo action requiredBIncrease observation frequency to at least every 4 hours and inform the nurse in charge onlyCUrgent review by a clinician trained in acute illness recognition and consideration of higher level careDImmediate CPREAutomatic transfer to ICU with intubationCheck my answer