A 70-year-old man with COPD and obesity is admitted with pneumonia. On day 3 he becomes increasingly confused and tachypnoeic. His NEWS2 score rises from 3 to 7 over 6 hours. According to NEWS2 recommendations, what should this trigger?AEmergency assessment by a senior clinical team with critical care skills and consideration of higher level careBContinuation of 6-hourly observations onlyCTelephone advice from the GPDRoutine review on the next ward roundEImmediate discharge because the score has increasedCheck my answer