Blocked heart arteries are a major cause of heart problems globally. Early signs include chest pain, shortness of breath, unusual tiredness, dizziness, irregular heartbeat, and pain in other body parts. Recognizing these signs early can help prevent severe health issues. Blocked heart arteries are a major cause of heart problems globally. Early signs include chest pain, shortness of breath, unusual tiredness, dizziness, irregular heartbeat, and pain in other body parts. Recognizing these signs early can help prevent severe health issues. Health and Fitness, Health Tips, Exercises & Workout Tips, Diet & Wellness | Times of India Lifestyle