A 48-year-old man comes to the emergency department because of a 2-hour history of severe left-sided colicky flank pain that radiates towards his groin. The pain is similar to several previous episodes of kidney stones. He has vomited twice. He drinks 4-5 beers most days of the week. Examination shows left costovertebral angle tenderness. An upright x-ray of the abdomen shows no abnormalities. A CT scan of the abdomen and pelvis shows an 9-mm stone in the proximal ureter on the left after few hours he passes the stone with rapid relief of his symptoms Chemical analysis reveals that the stone is composed primarily of calcium oxalate. Which of the following medications is most likely to prevent recurrent stone formation in this patient?

Question

Quizplus · Accepted Answer

Eductional Objective: Thiazide diuretics effectively increase renal calcium reabsorption. In patients with recurrent calcium nephrolithiasis, thiazide diuretics can help prevent stone formation by decreasing urine Ca²⁺ excretion

A 48-Year-Old Man Comes to the Emergency Department Because of a 2-Hour