PMC9970110_01
Baseline 12-lead electrocardiogram showing a normal sinus rhythm with T wave inversions on anterolateral leads. No other major abnormalities were noted.
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FIG1
T wave inversions were noted on anterolateral leads (Figure 1).
Holter monitor interrogation showing two prolonged pauses lasting 8.4 and 3.1 seconds
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FIG2
She then had a few beats of sinus bradycardia, followed by another 3.1-second pause of the same mechanism (Figure 2).