A patient with thyrotoxicosis from Graves' disease had concomitant muscular paralysis, hypophosphatemia, and severe hypokalemia. The parallel depression and return to normal of these electrolyte abnormalities and his neurologic status suggested that cellular ion influx was related to the paralysis.
(Arch Intern Med 138:1284-1285, 1978)
Guthrie GP, Curtis JJ, Beilman KM. Hypophosphatemia in Thyrotoxic Periodic Paralysis. Arch Intern Med. 1978;138(8):1284-1285. doi:10.1001/archinte.1978.03630330082026