Ключевые слова: background, beat, being, cardiologist, cardiology, care, clinic, closeup, concept, diagnostic, doctor, doctors, equipment, general, health, healthcare, heart, heartbeat, hospital, illness, lab, lifestyle, listening, measurement, medical, medicine, nurse, patient, physician, practitioner, preventative, rate, science, stethoscope, technology, test, tool, unwell, visit, well,