Ключевые слова: ache, acute, adult, angina, attack, background, black, cardiac, cardiology, cardiovascular, care, chest, closeup, copy, coronary, diagnosis, disease, elderly, emergency, failure, hand, health, healthcare, heart, heartache, illness, male, man, medical, medicine, old, pain, palpitation, patient, person, pressure, problem, retirement, risk, senior, sickness, space, stress, suffering, symptom, text, therapy, treatment, unhealthy, urgent,