A case of neonatal single twin flecainide toxicity after therapeutic in utero exposure for fetal SVT

Figures & data

Figure 1. Patient's initial EKG on admission. Patient was in a wide complex tachycardia (HR 195, QRS 164 ms).

Figure 2. After treatment with bicarbonate infusion. An EKG obtained soon after initiation of bicarbonate (a), and after several hours on a maintenance drip (b), which shows interval narrowing of the QRS complex.

Figure 3. EKG on discharge. (HR 151, QRS 48).