Ключевые слова: analysis, analyze, artery, attack, breathing, cardiac, cardio, cardiology, cardiovascular, care, check, chest, circulation, claim, concept, condition, crisis, cure, diagnose, disease, disorder, doctor, drug, economic, emergency, failure, financial, future, health, health care, healthcare, healthy, heart, heartbeat, help, hospital, illness, insurance, listen, medical, pain, patient, problem, protect, recovery, risk, sick, sickness, stress, treatment,