Bartter Syndrome Type 4, also known as bartter syndrome with sensorineural deafness, is related to bartter syndrome, type 4b, neonatal, with sensorineural deafness and hypokalemia, and has symptoms including polyuria An important gene associated with Bartter Syndrome Type 4 is BSND (Barttin CLCNK Type Accessory Subunit Beta), and among its related pathways/superpathways are Transport of inorganic cations/anions and amino acids/oligopeptides and Ion channel transport. Affiliated tissues include kidney, and related phenotypes are hypokalemia and hyperaldosteronism