A 60-year-old man presents with a 3-month history of blood pressure readings around 155/96 mmHg at the GP surgery. He has no target organ damage and no diabetes. What is the single best next step to confirm the diagnosis of hypertension?ARepeat clinic blood pressure on three further visitsBStart an ACE inhibitor immediately and review in 1 monthCOrder 24-hour ambulatory blood pressure monitoringDArrange home blood pressure monitoring for 1 week without clinic confirmationERefer urgently to a cardiologistCheck my answer