PMC10209118_01
Irregular cardiac activity was noted on telemetry.
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Approximately 10 h after ingestion, irregular cardiac activity was noted on telemetry (Fig. 1).
A. 12-lead EKG with evidence of Mobitz I (Wenckebach) atrioventricular block.B. 12-lead EKG demonstrating sinus arrhythmia.
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A 12-lead ECG (Fig. 2A) was obtained to further characterize this rhythm, which was determined to be a Mobitz I (Wenckebach) atrioventricular block. A repeat 12-lead EKG obtained approximately 20 h post-ingestion showed normal sinus rhythm with sinus arrhythmia (Fig. 2B).