Ключевые слова: abstract, amplitude, arabian, aromatic, attack, background, beans, beverage, brown, caffeine, cardiac, cardiogram, cardiology, care, chart, coffee, cup, diagnose, diagnosis, disease, drink, ecg, ekg, electrocardiogram, energy, grains, graph, health, healthy, heart, heartbeat, hot, life, line, medical, medicine, power, pulse, red, rhythm, roasted, scented, shape, signal, studio, test, trace, vitality, wave, white,