Hyperkalemic Distal Renal Tubular Acidosis (RTA) Type 4 - Failure to acidify urine in collecting duct due to reduced Na reabsorption Either due to - Reduced circulating aldosterone - Abnormal collecting duct function Coupled mechanistically to K retention - Dr. John Booth https://twitter.com/ThePeanutKidney #RTA #Type4 #Distal #Hyperkalemic #Diagnosis #Management #Nephrology #RenalTubular #Acidosis