case_images: PMC9076350_01
case_images: Electrocardiogram.
case_images: CRIM2022-5827664.001.jpg
case_images: PMC9076350_01_CRIM2022-5827664.001.jpg
case_images: fig1
case_images: Electrocardiogram showed sinus tachycardia but no u-waves (Figure 1).
case_images: Serum potassium trend.
case_images: CRIM2022-5827664.002.jpg
case_images: PMC9076350_01_CRIM2022-5827664.002.jpg
case_images: fig2
case_images: Carbimazole 20 mg OM and propranolol 20 mg TDS were continued, and serum potassium levels remained stable (Figure 2).