A 56-year-old man has been referred to the surgical outpatient department with a right-sided inguinal hernia. He has requested a day surgical procedure. History The patient has type 2 diabetes and hypertension. He has no history of myocardial infarction or angina. He takes metformin 500 mg tds for his diabetes and atenolol 50 mg daily for his hypertension.

He doesn’t smoke but drinks alcohol regularly. Examination Blood pressure is 130/80 mmHg Pulse rate is 88/min Body mass index (BMI) is 28 Blood sugar is 6 mmol/L The chest is clear and heart sounds are normal Abdominal examination reveals an easily reducible non-tender right inguinal hernia What would you advise about the metformin prior to surgery? *This case is from Docplexus editorial team for educational purposes only. Source: 100 cases in surgery The answer is available now. Click Here to know!