Ключевые слова: abstract, alert, alertness, arrhythmias, background, beating, cardiogram, care, clinic, clinical, concept, danger, death, diagnostics, disease, ecg, ekg, emergency, equipment, er, examination, graph, health, healthcare, heart, heartbeat, hospital, icu, illness, indoors, man, medical, medicine, monitoring, patient, people, pulsating, pulse, room, service, sickness, stopping, technology, therapy, trace, treatment, urgent, ward, warning, wave,