PMC9889206_01
Initial ECG on presentation
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FIG1
ECG was obtained and showed atrial tachycardia (Figure 1).
ECG obtained during the appointment with cardiologist
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FIG2
ECG again showed a paroxysmal atrial tachycardia with a rate of 144 BPM and frequent conversion to sinus rhythm (Figure 2). Echocardiogram was obtained and revealed left ventricular ejection fraction of 40%.
ECG after treatment with flecanaide
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FIG3
The patient converted to sinus rhythm on hospital day four (Figure 3) and maintained normal sinus rhythm until her discharge on the same medication regimen with ambulatory telemetry that sinus rhythm with atrial tachycardia.