Ключевые слова: anatomy, assistant, attack, beat, cardiac, cardio, cardiogram, cardiograph, cardiology, clinic, diagnose, diagnosis, digital, disease, doctor, ecg, ekg, electrocardiogram, electrocardiograph, emergency, energy, health, healthcare, healthy, heart, heartbeat, hospital, illness, life, line, male, man, medical, medicine, modern, monitoring, patient, pressure, pulse, rate, rhythm, spike, stethoscope, symbol, technology, wave, white,