case_images: PMC11748746_01
case_images: Electrocardiogram (ECG) at the admission.
case_images: CRIE2025-6298137.001.jpg
case_images: PMC11748746_01_CRIE2025-6298137.001.jpg
case_images: fig1
case_images: An electrocardiogram (ECG) revealed sinus tachycardia (104 bpm), ST-segment elevation in the inferolateral region, and a prolonged QTc interval (603 ms) (Figure 1).
case_images: Trend of serum thyroxine (fT4) and triiodothyronine (fT3) during pregnancy.
case_images: CRIE2025-6298137.002.jpg
case_images: PMC11748746_01_CRIE2025-6298137.002.jpg
case_images: fig2
case_images: Thyroid function tests showed progressive improvement by the 18th week of gestation, allowing the suspension of steroid therapy first, followed by the gradual reduction of methimazole (Figure 2).