Figures
Figure 1. ECG taken during episode of cardiac arrest showing feature of
Torsade de pointe: initiation of the arrhythmia after a short-long-short
cycle sequence PVC that falls near the peak of the distorted T-wave,
irregular RR interval, and abrupt switching of QRS morphology from
predominately positive to predominately negative complexes (A). Note the
change in polarity of QRS complex about the isoelectric line (B)