Myocardial Infarction Assignment

Myocardial infraction is a hart attack condition that normally takes place when there is formation of a dot of blood within the coronary artery at the point of atherosclerotic plaque.  The Presence of this blood clot excessively limits or sometimes completely stops the flow of blood to the upper par of the heart.  In some cases, the flow of the blood is inhibited when there is a sudden collapse or contraction in the walls of the artery the makes the artery to constrict. This kind of constriction is referred to as vasospasm. According to Hutchison (2009) vasospasm can happen to any artery that is only narrowed slightly by atherosclerosis and a healthy artery likewise.  Irrespective of the cause such a heart attack, the deprivation of oxygen that occurs is so prolonged and server to an extent the leads to death of heart muscle cell as a result of lucking oxygen.  It is estimated that close to 1.1 million Americans in the United States suffer this kind of heart attacks every year. About 40% of theses cases have proven to be fatal to the victims.Myocardial Infarction Assignment

Acute myocardial infection (AMI) is in most cases caused by almost total blockage of the coronary artery which is normally brought about by   bursting of the susceptible atherosclerotic plaque and the subsequent formation of thrombus.   The rupture of plaque can be brought about by both external and internal factors.  In this regard the external factors include severe emotional stress and strenuous physical activity. On the other hand internal factors include the characteristics of the plaque like the composition and size of its lipid core, the breadth of its fibrous cap and its surrounding conditions. Susceptible plaques in most cases occur when there is less than seventy percent stenosis. It has a characteristic eccentric shape which has an irregular border, a thin fibrous cap and a large, thin lipid core (Tcheng, 2009).Myocardial Infarction Assignment