PMC7079257_01
Precardioversion electrocardiogram showing atrial fibrillation with rapid ventricular response.
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fig1
However, during his stay, the patient suddenly developed palpitations and was found to be in atrial fibrillation with rapid ventricular response with a heart rate ranging from 130 to 150 (Figure 1).
Post gag reflex-mediated cardioversion electrocardiogram showing normal sinus rhythm.
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fig2
His rhythm then spontaneously reverted to sinus and no electrical cardioversion was necessary (Figure 2).