Ключевые слова: abstract, alert, amplitude, arrest, attack, background, bending, cardiogram, care, clinic, clinical, colour, complex, concept, cycle, danger, death, diagnostic, ecg, ekg, emergency, examination, first aid, folds, graph, health, healthcare, heart, heartbeat, hospital, ideas, material, medical, medicine, monitoring, pathology, pattern, placard, poster, pulse, regularity, sinus, structure, technology, template, texture, trace, urgent, wallpaper, warning,