Causes of Hypokalemia - Differential Diagnosis Algorithm Once pseudohypokalemia is ruled out, causes of hypokalemia can be grouped into three discrete buckets: 1. Decreased filling of bucket (low intake) 2. Bucket that is leaky all over (transcellular shift) 3. Bucket with the drain wide open all the time (urinary or GI loss) - VARUN M @varunnephro #Hypokalemia #Differential #Diagnosis #Algorithm #Causes #workup #nephrology