Ключевые слова: adult, attack, background, beat, blue, cardiac, cardio, cardiologist, cardiology, cardiovascular, care, clinic, closeup, concept, cure, diagnostic, disease, doctor, donation, ecg, ekg, electrocardiogram, emergency, female, gloves, good, hand, health, heart, heartbeat, help, holding, hospital, human, illness, implant, life, light, medic, medical, medicine, object, organ, paramedic, patient, person, prevent, pulse, red, rhythm, specialist, stethoscope, support, surgeon, surgery, therapy, transplantation, treatment, woman,