NAGMA Tweetorial - Got a metabolic acidosis but no anion gap? In honor of our (@curbsiders) recent RTA episode (thecurbsiders.com/internal-medic…) with @kidney_boy, here’s a quick tweetorial attempt (a la @tony_breu) on an approach to what is affectionately known as NAGMA. #5goodminutes There are 3 commons “buckets” or categories of non anion gap metabolic acidosis: chloride intoxication, GI losses of HCO3, and renal tubular acidosis.