Ключевые слова: asian, background, cardiac, cardio, cardiology, care, chest, clinic, concept, device, disease, doctor, ecg, ekg, electrocardiogram, electrocardiography, electrodes, emergency, equipment, examination, health, healthcare, heart, holter, hospital, illness, instrument, man, measurement, medical, medicine, monitor, nurse, operating, pain, patient, people, person, professional, pulse, rate, room, sick, surgery, technology, test, transplant, treatment, white,