case_images: PMC8119778_01
case_images: Electrocardiogram of the patient before admission (A) and at discharge (B).
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case_images: PMC8119778_01_fcvm-08-623708-g0001.jpg
case_images: F1
case_images: As shown in Figure 1A, an electrocardiogram taken at the local community hospital showed a symmetrical negative T wave in leads V1-V6 and an upsloping ST-segment at the J point continuing into positive symmetrical T waves in leads II, III, and aVF. T-wave inversion in leads V1-V4 disappeared, without a pathological Q wave (Figure 1B). The patient was allowed to consume some liquid food, and the infusion volume was reduced.
case_images: Real-time monitoring of the patient's vital signs during hospitalization.
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case_images: PMC8119778_01_fcvm-08-623708-g0002.jpg
case_images: F2
case_images: As shown in Figure 2, his heart rate dropped to 79 bpm after taking metoprolol tartrate tablets.
case_images: Level of cholinesterase (A) and cardiac troponin I (B) before admission and at discharge.
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case_images: PMC8119778_01_fcvm-08-623708-g0003.jpg
case_images: F3
case_images: On day 5 of admission, cholinesterase levels rose from 498 to 4,476 U/L (Figure 3A), and cardiac troponin I decreased from 1.005 to 0.134 ng/mL (Figure 3B).