A 62-year-old woman has been followed by you for 3 years and has had recent onset of hypertension. She is still not at goal despite three antihypertensive medicines, and you strongly doubt nonadherence. Her father died of a heart attack at age 58. Today her pressure is 168/94 and pressure on the other arm is similar. What would you do next?
A) Add a fourth medicine
B) Refer to nephrology
C) Get a CT scan
D) Listen closely to her abdomen