Mural Thrombosis

74 years old woman dies after complaining of chest pains. DX has been made of MI. Cardiac post-mortem shows an area of ischemic necrosis infiltrated by neutrophils, but no infarcts were in the brain, kidneys and spleen. what was the complication leading to his death:

arrhyhmia
fibrinous pericarditis
mural thrombosis
aneursym ventricular
ventricular rupture

arrhythmia