Ключевые слова: attack, blue, cardiac, cardiogram, cardiologist, cardiology, care, charity, chart, clinic, closeup, concept, couple, day, doctor, donation, donor, ecg, electrocardiogram, giving, hand, health, healthcare, healthy, heart, heartbeat, help, holding, human, humanity, life, love, man, medical, medicine, organ, patient, pulse, red, shape, sharing, showing, small, support, surgery, transplantation, valentines, volunteer,