Specialistic additional features in comparison with code 33320: Timed vector-cardiograph (TVCG), Frequency ECG (FCG CAD particular technique to detect ischemia), High Frequency ECG (HFECG), SAECG (VLP) analysis (Signal Averaged ECG or Ventricular Late Potentials, time domain and a 3-D frequency domain), QTD analysis (QT dispersion) with chroma map, Heart Rate Variability (HRV)(time domain, 3-D frequency domain, Lorenz poincare plots), Pacemaker analysis, Heart rate Turbulence (HRT, or VE chaos).