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The human heart basically is a muscle that pumps blood. It has its own blood vessels (the coronary arteries) which nourish it with oxygen and nutrients. In most cases when a heart attack occurs, fatty deposits (composed mostly of
How It HappensA heart attack occurs when blood flow to the heart is blocked due to fatty material building up in the arteries and eventually closing... Read more »
How It HappensThe heart pumps blood enriched with oxygen and vital nutrients throughout the entire body by way of a network of arteries. The heart... Read more »
A new cardiac imaging technique may help doctors screen for "silent heart attacks," a type of heart attack that has no symptoms and that older EKGS... Read more »
Source: ADAM Encyclopedia
A heart attack is when blood vessels that supply blood to the heart are blocked, preventing enough oxygen from getting to the heart. The heart muscle... Read more »
If you think may be experiencing the symptoms of a heart attack, do not wait to see if they go away. If you experience discomfort or pain in the... Read more »