Use magnesium be used in preeclampsia/eclampsia with myasthenia gravis, In which neuromuscular junction disorder is paradoxical eyelid elevation observed, and diagnostic test was highlighted for Lambert-Eaton myasthenic syndrome (LEMS) to frame the working diagnosis and next step; let it drive treatment choice rather than habit. Make In which neuromuscular junction disorder is paradoxical eyelid elevation observed the checkpoint that determines whether you escalate testing, narrow the differential, or change treatment.

Magnesium sulfate should be avoided in myasthenia gravis because it can worsen neuromuscular transmission; Paradoxical eyelid elevation on sustained upgaze is a classic hallmark of Lambert-Eaton myasthenic syndrome; P/Q-type calcium channel antibodies support the diagnosis in many cases; High-frequency repetitive stimulation produces an incremental response on EMG; Because of the strong paraneoplastic link, every case needs malignancy screening