12-lead/3 channel analysis QRS template classification Arrhythmia analysis Analysis of ST segment changes evaluation Holter ... 12-lead/3 channel analysisQRS template classification Arrhythmia analysis Analysis of ST segment changes and evaluation of myocardial ischemia Excellent pacemaker ... grams (battery not included) Lead: 10 wire patient cable (I, II, III, aVR, aVL, aVF, V1~V6), 5 wire patient ...