Ключевые слова: ache, adult, arrhythmias, asian, attack, blood, body, breathing, cardiac, cardiologist, cardiology, cardiovascular, care, chest, coronary, discomfort, disease, emergency, hand, health, healthcare, heart, heartache, heartbeat, holding, hospital, hurt, illness, injury, male, man, medical, medicine, pain, patient, person, pressure, problem, pulse, risk, sick, stress, suffering, symptom, treatment, unhealthy, vessel, white, young,