PMC4775784_01
EKG on presentation showing sinus bradycardia with HR 50 bpm, PR interval 198 ms, QRS duration 122 ms, QTc interval 371 ms, and QT interval 408 ms.
CRIM2016-4061980.001.jpg
PMC4775784_01_CRIM2016-4061980.001.jpg
fig1
EKG showed sinus bradycardia with normal PR, QRS, and QT/QTc intervals (Figure 1).
The figure shows the telemetry strip of our patient as he developed TdP.
CRIM2016-4061980.002.jpg
PMC4775784_01_CRIM2016-4061980.002.jpg
fig2
Over the course of one hour he had 2 episodes of self-limiting Torsades de Pointes (TdP) each lasting less than 10 seconds and a third ending up in pulseless ventricular tachycardia (Figure 2 shows one such episode of TdP caught on telemetric monitoring).