Medicine Diseases of Thyroid 7acb1377 Thyrotoxic periodic paralysis leads to extreme muscle weakness due to? A Hypokalemia B Hypocalcemia C Hypomagnesemia D Hyponatremia High-Yield Explanation T3| T4| - Positive Na- K+ ATPase activity in the cells (3 Na outside 2 K+ inside) | K Influx | K| | Thyrotoxic Periodic Paralysis