What are causes and lab/urine findings for type I RTA? What is the characteristic electrolyte finding?,”REDUCED H+ EXCRETION in collecting tubule:1. Genetic2. Obstructive nephropathy – Sickle cell, nephrocalcinosis, UTI3. Autoimmune* (Sjogrens, SLE).4. Drugs (Ampho B, Lithium
toluene).HYPOKALEMIC HYPERCHLOREMIC METABOLIC ACIDOSIS. Urine pH remains >5.5 despite severe acidemia (HCO3 <15 mmol/L)."