Ключевые слова: alarm, alert, arrest, attack, blue, bright, cardiac, cardiogram, cardiograph, computer, concept, conceptual, critical, death, diagnosis, digital, display, ecg, electronic, emergency, equipment, er, failure, flat, glow, graph, graphic, health, healthcare, heart, heartattack, heartbeat, illuminated, line, medical, monitor, pixel, pixellated, pulse, rate, screen, shape, signs, stop, technology, vital, warning,