PMC8565692_01
Sinus tachycardia, incomplete right bundle branch block with minimal ST elevation in V1 and V2 (standard position); QT/QTc = 344/483.
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An EKG taken 30 minutes after arrival (Figure 1) showed incomplete right bundle branch block.
Sinus tachycardia, first degree AV block, incomplete right bundle branch block with ST elevation in V1 and V2 (standard position) consistent with Brugada Pattern Type I.
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A follow up EKG taken about 2 hours after arrival (Figure 2) showed sinus tachycardia with a normal rhythm and an IV conduction block replacing the incomplete RBBB seen in the previous EKG.
Sinus tachycardia with Type III Brugada pattern characterized by <2mm ST elevation in V1 and V2 (standard position); QT/QTc = 294/473.
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A third EKG (Figure 3) was taken almost 3 hours after arrival to the ED which showed a wide QRS tachycardia with premature ventricular contractions (PVCs) and resolution of Brugada pattern type I.