16 year old male, a secondary school student, arrives in the clinic and you find his blood pressure is 180/80.
The history is unremarkable, no systemic symptoms or signs elicited (no headache, visual disturbance,chest pain, dizziness, collapse, urinary symptoms). The examination is normal. No significant previous medical history or family history of hypertension. He is not on any medications. He denies smoking or having taken illicit drugs. BMI is 25.
What investigations are you going to order?