Ключевые слова: attack, background, burn, cardiac, cardiologist, cardiology, cardiovascular, care, chest, closeup, concept, cure, diagnosis, disease, doctor, emergency, failure, hand, having, health, heart, heartbeat, help, illness, infarction, male, man, medical, medicine, murmur, myocardial, pain, palpitations, person, prevent, protect, pulse, red, rhythm, sick, stress, sudden, suffering, support, surgery, symptoms, transplantation, treatment, unhealthy, young,