CHRONIC KIDNEY DISEASE

Chronic Kidney Disease Definition: Decreased kidney function (eGFR < 60 ml/min/1.73 m²) persistent over at least 3 months Pre-Renal (Evidence of Renovascular disease) Renal artery stenosis Drugs (e.g., NSAIDs) Chronic hypoperfusion Renal (Abnormal urinalysis: proteinuria/pyuria) Tubular/Interstitial Causes: Urinary Tract Infection (chronic or recurrent pyelonephritis) Congenital abnormalities of the kidney and urinary tract (e.g., Polycystic kidney disease) Immune (sarcoid, Sjögren) Hypercalciuria/nephrolithiasis Drugs (NSAIDs, analgesics) Glomerular Causes: Nephrotic Syndrome (steroid resistant) Glomerulonephritis Hemolytic Uremic Syndrome Diabetes Post-Renal (Obstruction/hydronephrosis on U/S) Obstructive uropathy Reflux nephropathy Constipation *Indicates Key Condition This is not an exhaustive list of medical conditions.