Ключевые слова: blood, cardiac, cardio, cardiogram, cardiograph, cardiologist, cardiology, cardiovascular, care, case, checkup, clinic, consultation, coronary, diagnosis, diagnostic, discussing, disease, doctor, ecg, ekg, electrocardiogram, examining, explaining, health, healthcare, heart, heartbeat, hospital, ill, illness, insurance, looking, man, mature, medical, medicine, model, old, patient, physician, practitioner, pulse, recovery, sick, specialist, therapist, treatment, young,