Causes of Hypokalemia - Differential Diagnosis Algorithm
Increased Loss 
 - Increased GI Loss
 - Increased Urinary Loss
Decreased Intake (rare)
Transcellular Shift Into Cells
 - Alkalemia
 - Increased Cell Production
 - Stimulation of Na/K-ATPase which imports K+ into cells: Insulin, Beta-Agonist
 - Refeeding Syndrome

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