Whom should you test for secondary causes of hypertension?
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Evidence-based answer: It’s recommended that all children and adolescents with a new diagnosis of hypertension undergo renal ultrasound and laboratory evaluation for renal pathology (strength of recommendation [SOR]: C, consensus-based guidelines). Specific diagnostic tests are recommended for newly diagnosed patients who have suspicious clinical findings suggestive of a secondary cause of hypertension based on the initial history (excess daytime sleepiness, palpitations, tremor, sweating); physical examination (abdominal bruit, thyromegaly, malar rash); or laboratory analysis (elevated serum creatinine, low thyroid-stimulating hormone) (SOR: C, consensus-based guidelines). Patients with undifferentiated resistant hypertension should receive further directed evaluation for secondary causes (SOR: C, consensus-based guidelines).
Journal of Family Practice, 63(1) 2014: 41-42, 54.