<unk>  is ischemic necrosis of the upper chamber of the heart (the atrium). It is a disease that has not been well studied.
Atrial infarction
Anterior myocardial infarction
Posterior myocardial infarction
Coronary artery dissection
Inferior myocardial infarction
Lateral myocardial infarction
Left ventricular thrombus
Papillary muscle rupture