This document summarizes nephrotic syndrome, including the anatomy and physiology of the nephron, primary causes like minimal change disease and focal segmental glomerulosclerosis, systemic causes such as diabetes and lupus, clinical findings of edema and proteinuria, lab tests to diagnose including urine analysis and blood tests, differential diagnoses, treatments focusing on managing protein loss and edema, and complications involving infection, thrombosis, and acute kidney injury. The summary provides an overview of nephrotic syndrome and how it is diagnosed and treated.