Heart attacks strike suddenly and have a range of different triggers. Researchers were able to uncover a further underlying cause. Studying arterial deposits (plaque) in patients with acute coronary syndrome, the researchers found that, in some patients, these were characterized by activated immune cells which, as a result of altered flow conditions within the vessel, had accumulated on the interior arterial wall, causing damage to the arterial lining.
Click here for original story, Tracking down the causes of heart attack
Source: ScienceDaily