Ключевые слова: analyzing, assistance, backgrounds, care, clinic, closeup, color, computer, concepts, curves, diagnostic, ecg, ekg, electricity, emergency, equipment, exam, frequency, healthcare, heart, heartbeat, hospital, human, illness, injecting, intensive, life, lifestyles, liquid, medical, medicine, monitor, monochrome, needle, pressure, pulse, research, sample, science, services, supplement, surveillance, syringe, taking, technology, test, trace, tracing, unit,