Ключевые слова: adult, attack, blood, cardiac, cardiology, care, caucasian, chest, condition, cure, device, diagnosis, diagnostic, disease, doctor, emergency, equipment, examination, female, hand, health, healthcare, healthy, heart, heartbeat, hospital, ill, illness, instrument, male, medical, medicine, pain, patient, people, person, physician, professional, pulse, red, sick, sickness, stethoscope, stress, sudden, test, tool, treatment, white, woman,