Table 2: Etiology and way of study.

Condition

Screening test

Chronic kidney disease

Glomerular filtration rate

Aortic Coarctation

Angiotomography

Cushing’s syndrome

Dexamethasone suppression test

Pheochromocytoma

Metanephrines in 24-hour urine.

Renal vascular renovascular disease

Renal US with Doppler renal arteries

Primary hyperaldosteronism or Conn syndrome

Aldosterone in 24-hour urine and levels renin/aldosterone

Thyroid/parathyroid disease

Serum TSH and parathyroid

TSH = thyroid-stimulating hormone.