Thyrotoxic hypokalemic periodic paralysis following second-trimester prostaglandin-induced abortion.
BACKGROUND: Hypokalemic periodic paralysis with thyrotoxicosis has never been described in pregnancy or the puerperium. CASE: A 31-year-old Hispanic woman underwent three prostaglandin inductions for a second-trimester missed abortion. Her management was complicated by hyperthermia, nausea, vomiting, and diarrhea. She developed isolated proximal muscle paralysis and sensory loss on the first post-abortion day. Her serum potassium was 1.5 mEq/L. The serum free thyroxine index exceeded 25 and TSH was below 0.03 microIU/mL, leading to a diagnosis of thyrotoxic hypokalemic periodic paralysis. Oral and parenteral potassium repletion restored full neurologic function, and propylthiouracil treatment was initiated until thyroid ablation could be performed. CONCLUSION: Gastrointestinal potassium loss during prostaglandin-induced abortion may unmask previously undiagnosed periodic paralysis.[1]References
- Thyrotoxic hypokalemic periodic paralysis following second-trimester prostaglandin-induced abortion. Richey, S.D., Wendel, G.D. Obstetrics and gynecology. (1993) [Pubmed]
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