A 55-year-old woman presents with a 1-year history of intermittent headaches, sweating episodes, and palpitations. Her blood pressure is found to be 1...

Question

A 55-year-old woman presents with a 1-year history of intermittent headaches, sweating episodes, and palpitations. Her blood pressure is found to be 170/105 mmHg despite taking Ramipril and Amlodipine. What investigation is most appropriate to screen for an underlying cause?

Accepted Answer

24-hour urinary fractionated metanephrines

Answer

Serum aldosterone:renin ratio

Answer

Serum cortisol (overnight dexamethasone suppression test)

Answer

Renal ultrasound Doppler

Answer

Sleep studies

mrcp part 1 MCQ (SBA): Phaeochromocytoma Screening

A 55-year-old woman presents with a 1-year history of intermittent headaches, sweating episodes, and palpitations. Her blood pressure is found to be 170/105 mmHg despite taking Ramipril and Amlodipine. What investigation is most appropriate to screen for an underlying cause?