Ключевые слова: america, american, american flag, auscultation, beat, cardiac, cardiologist, cardiology, care, checkup, device, diagnose, diagnostic, doctor, emergency, equipment, exam, examination, flag, health, health care, healthcare, heart, heartbeat, illness, instrument, listen, measurement, medical, medicine, metal, pressure, prevention, professional, pulse, reflection, science, selective focus, sickness, stethoscope, system, tool, treatment, united states, united states of america, wellness,