As a medical professional, I can provide you with information on the symptoms of a blockage in the heart, which is often a sign of coronary artery disease (CAD). The blockage occurs when plaque builds up in the coronary arteries, reducing blood flow to the heart muscle. Here are some common symptoms: 1. Chest pain (angina): This is often described as a feeling of pressure, tightness, or heaviness in the chest, sometimes radiating to the arms, neck, jaw, shoulder, or back. 2. Shortness of breath: This can occur with or without chest pain and may intensify with physical activity. 3. Heart attack: A blockage that completely stops blood flow can cause a heart attack, which is a medical emergency. Symptoms may include severe chest pain, shortness of breath, nausea, and sweating. Other symptoms may include: 4. Fatigue 5. Lightheadedness or dizziness 6. Nausea or vomiting 7. Swelling in the legs, ankles, or feet due to heart failure It's important to seek immediate medical attention if you suspect a heart attack or if you experience severe chest pain or discomfort. read more >>

As plaque continues to build up in your coronary arteries, however, you may develop coronary artery disease signs and symptoms, including:Chest pain (angina). You may feel pressure or tightness in your chest, as if someone were standing on your chest. ... Shortness of breath. ... Heart attack.read more >>