... ensures the accuracy of QRS templates, includes N (Normal), V (Ventricular Ectopy), S (SVE), U (Unknown), P ( ... wave. Arrhythmia AnalysisVE, SVE, aberrant beats, V-Tach, V-Pair, V-Bigeminy, Tri-geminy etc. HRT (VE Chaos ... Weight: 75 grams (battery not included) Lead: 10 wire patient cable (I, II, III, aVR, aVL, ... Weight: 75 grams (battery not included) Lead: 10 wire patient cable (I, II, III, aVR, aVL, ...