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, giving, health, healthcare, healthy, heart, heartbeat, hospital, illness, insurance, man, medical, medicine, optimistic, physician, practice, practitioner, pulse, recovery, specialist, therapist, thumb, thumbs, treatment, up, young,