case_images: PMC10789272_01
case_images: Heart rate (HR) pattern - Patient had resting HR around 70 - 80 bpm. After starting intravesical BCG therapy, she developed sinus tachycardia and no cause was found despite extensive investigations. The HR returned to baseline after completion of intravenous immunoglobulin (IVIg) therapy and improvement of neurological symptoms.
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case_images: Her symptoms improved significantly with the resolution of tachycardia (Figure 1).
case_images: Nerve Conduction Studies (NCS) - (A) Pre-IVIg NCS showing that the Compound Muscle Action Potential (CMAP) were reduced and temporally dispersed on bilateral upper and lower limbs, with prolonged F wave of bilateral tibial nerves. (B) Post-IVIg NCS showing improvement of CMAP amplitude while F wave of the bilateral tibial and peroneal were within normal limits.
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case_images: PMC10789272_01_CEJU-76-91-g002.jpg
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case_images: NCS performed two months after IVIg showed significant improvement in sensorimotor polyneuropathy (Figure 2).