well,myocardial infarction is a serious, sudden heart condition usually characterized by varying degrees of chest pain or discomfort, weakness, sweating, nausea, vomiting, and arrhythmias,sometimes causing loss of consciousness,it occurs when the blood supply to a part of the heart is interrupted,causing death and scarring of the local heart tissue,since the area affected may be large or small,the severity of heart attacks vary,but they are often a life-threatening medical emergency which demand both immediate attention and activation of the emergency medical services. so, anteroseptal myocardial infarction is a type of myocardial infarction (as classified according to the site)in which the infarcted area includes the anterior wall of the heart the septum (interventricular septum).