PMC10344630_01
ECG before digoxin showing the AVNRT type of PSVT (regular rhythm, narrow QRS complex, no visible P-waves, pseudo-R-wave in V1, and HR of about 200).
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fig1
A bedside ECG was done, which showed paroxysmal supraventricular tachycardia (PSVT) (Figure 1).
The ECG after digoxin was given showing sinus rhythm with an HR of about 100.
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fig2
At this time, a repeat ECG was done, which showed normal sinus rhythm (Figure 2).