Ключевые слова: analyse, analyzing, beat, cardio, cardiology, cardiovascular, care, checkup, condition, diagnosis, diagnostic, digital, ecg, ekg, electrocardiogram, emergency, exam, frequency, glow, glowing, health, healthcare, healthy, heart, heartbeat, illustration, lab, laser, life, light, luminosity, measurement, medical, meter, monitor, pulse, rate, record, render, science, surveillance, symbol, tachycardia, test, wave, waveform,