How does a heart attack happen?

Some heart attacks are sudden and intense. But most start slowly, with mild pain or discomfort. Chest discomfort. Most heart attacks involve discomfort in the center of the chest that lasts more than a few minutes – or it may go away and then return. It can feel like uncomfortable pressure, squeezing, fullness or pain.Discomfort

What are the causes of heart attack?

Coronary heart disease is the leading cause of heart attacks. It is a condition in which the coronary arteries (the major blood vessels that supply the heart with blood) become clogged with deposits of cholesterol. These deposits are called plaques. Before a heart attack, one of the plaques ruptures (bursts), causing a blood clot to

What are some early symptoms of heart attack?

Shortness of breath (dyspnea) when you exert yourself or when you lie downFatigue and weaknessSwelling in your legs, ankles, and feetRapid or irregular heartbeatReduced ability to exercisePersistent cough or wheezing with white or pink blood-tinged phlegmIncreased need to urinate at nightSwelling of your abdomen (ascites)Very rapid weight gain from fluid retentionLack of appetite and nauseaDifficulty