PMC8119778_01
Electrocardiogram of the patient before admission (A) and at discharge (B).
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F1
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.
Real-time monitoring of the patient's vital signs during hospitalization.
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F2
As shown in Figure 2, his heart rate dropped to 79 bpm after taking metoprolol tartrate tablets.
Level of cholinesterase (A) and cardiac troponin I (B) before admission and at discharge.
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F3
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).