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. 2021 Nov 23;14:5309–5314. doi: 10.2147/OTT.S333242

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© 2021 Li et al.

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Electrocardiography obtained on admission for abnormal manifestations of serum myocardial enzyme spectrum. Rate of 168 beats per minute. Intervals in milliseconds: PR 70, QRS duration 68, QT 186, QTc 274. The electrocardiography indicated atrial fibrillation (fast ventricular rate type).