HYPOKALEMIA Hypokalemia Serum Potassium 4GI loss Urine loss <20mmol/d Decreased intake (rare cause in isolation) Insulin ?2 agonists alkalemia Refeeding syndrome Rapid hematopoiesis Hypothermia Thyrotoxic periodic paralysis/familial hypokalemic periodic paralysis Low renin High aldosterone Low renin Low aldosterone Hyperaldosteronism Licorice intake Liddle's syndrome Renal Loss Urine loss >20mmol/d High distal flow TTKG < 4Polyuria

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