3D, ACTIVITY, ARTWORK, BACKGROUND, BEAT, CARDIAC, CARDIOGRAM, CARDIOGRAPH, CARDIOLOGICAL, CARDIOLOGY, CGI, CYCLE, CYCLES, DIAGNOSIS, DIAGNOSTIC, DIGITALLY, DIMENSIONAL, ECG, EKG, ELECTRICAL, ELECTROCARDIOGRAM, ELECTROCARDIOGRAPHY, electrogram, ELECTROPHYSIOLOGY, GENERATED, HEALTHCARE, HEALTHY, HEART, HEARTBEAT, ILLUSTRATION, KATERYNA, KON, MEASUREMENT, MEDICAL, MEDICINE, NO-ONE, NOBODY, NODE, NORMAL, PATTERN, PULSE, RATE, RECORDING, RED, RHYTHM, SA, SIGNALS, SINOATRIAL, SINUS, THREE, TRACE, VENTRICULAR, VOLTAGE, WAVEFORM,