But, there are a few important signs that can help you recognize problems before they come to a head. ![]() The first sign of heart disease is often a heart attack or other serious event. ![]() If a blood clot forms, it can stop the blood flow. This buildup narrows the arteries, making it harder for blood to flow through. Atherosclerosis is a condition that develops when a substance called plaque builds up in the walls of the arteries. Heart and blood vessel disease - also called heart disease - includes numerous problems, many of which are related to a process called atherosclerosis. Heart disease is most often the cause of a heart attack. More often, though, symptoms start slowly and persist for hours, days or weeks before a heart attack. Symptoms of a heart attack may be immediate and intense. The longer a person goes without treatment, the greater the damage. In a heart attack if the blocked artery is not reopened quickly, the part of the heart normally nourished by that artery begins to die. A heart attack is a “circulation” problem and sudden cardiac arrest is an “electrical” problem. ![]() Sudden cardiac arrest is when the heart malfunctions and suddenly stops beating unexpectedly. A heart attack occurs when heart disease has reached the point that blood flow to the heart is blocked.
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