Ключевые слова: abstract, amplitude, arabian, aromatic, beans, caffeine, cardiogram, cardiology, care, chart, coffee, diagnose, ecg, ekg, electrocardiogram, energy, grains, graph, healthcare, healthy, heart, heartbeat, life, medical, medicine, monitoring, power, pulse, rhythm, roasted, scented, shape, studio, vignette, vintage, white background,