As a healthcare professional with expertise in cardiology, I can provide you with information on the signs and symptoms of a heart blockage. It's important to note that a heart blockage, also known as a heart attack or acute myocardial infarction, has a different set of symptoms compared to a heart block, which is a condition where the electrical impulses that coordinate heartbeats are disrupted. Signs and symptoms of a heart blockage can include: 1. Chest pain or discomfort: This is often described as pressure, squeezing, fullness, or pain in the center of the chest and can last for more than a few minutes or come and go. 2. Upper body discomfort: Pain or discomfort can spread beyond the chest to the shoulders, arms, back, neck, jaw, or stomach. 3. Shortness of breath: This can occur with or without chest discomfort. 4. Nausea, lightheadedness, or cold sweats: These are often accompanying symptoms. 5. Fainting: This is a more severe symptom that can occur when the heart is not pumping effectively. 6. Fatigue: Unexplained or unusual tiredness can sometimes be a sign. It's crucial to seek immediate medical attention if you experience any of these symptoms, as they could indicate a life-threatening condition. read more >>

Signs and symptoms of second- and third-degree heart block include:Fainting.Dizziness or light-headedness.Fatigue (tiredness)Shortness of breath.Chest pain.read more >>