Overview Snapshot A 58-year-old African American man with a history of hypertension presents with pain in his right great toe. His hypertension has been well-controlled on one medication. He has some difficulty walking but reports no other symptoms. Physical exam reveals significant right first metatarsophalangeal joint redness, swelling, and tenderness to palpation. He is prescribed a non-steroidal anti-inflammatory drug and his hypertension medication is changed. (Gout) Introduction A class of diuretics that include hydrochlorothiazide (HCTZ) metolazone indapamide chlorthalidone Mechanism blocks NaCl reabsorption in early distal convoluted tubule (DCT) resulting in ↑ sodium and chloride excretion (directly) ↑ potassium and hydrogen excretion indirectly by ↑ sodium delivery to collecting duct ↓ calcium and urea excretion Clinical use hypertension and congestive heart failure (CHF) first-line therapy for African Americans and the elderly calcium nephrolithiasis idiopathic hypercalciuria nephrogenic diabetes insipidus can be in the setting of lithium use osteoporosis Toxicity electrolyte changes hypokalemic metabolic alkalosis hyponatremia hypercalcemia hyperglycemia hyperlipidemia hyperuricemia avoid in patients with gout ↑ the toxicity of digoxin contraction alkalosis sulfa allergy
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All Videos (0) Renal | Thiazide Diuretics Renal - Thiazide Diuretics Listen Now 11:3 min 2/21/2022 29 plays 5.0 (1)