Ключевые слова: beat, cardiograph, cardiologist, chart, check, check up, data, diagnosis, diagnostic, disease, documents, emergency, equipment, examination, experiment, graph, healthcare, heart, hygiene, illness, instrument, life, lifestyle, listen, measurement, medical, medicine, object, occupation, paper, patient, prescription, professional, pulsating, record, report, research, results, science, services, sick, stethoscope, still, symptoms, technology, test, tools, up, wellbeing,