Hypokalaemic Periodic Paralysis Associated with Distal Renal Tubular Acidosis

A patient presented with acute flaccid quadriplegia which on evaluation was found to be due to hypokalaemia. Further investigation revealed, metabolic acidosis with normal anion gap. Alkaline urine, transtubular potassium concentration gradient more than four. A diagnosis of distal renal tubular acidosis presenting as hypokalaemic periodic paralysis was made.