A 60 y.o.man came to emergency room complaining of sharp chest pain, begining two hours prior to admission.  His blood pressure was low, and pulse fast.  He had a history of hypertension for eight years.  One hour after admission the pain radiated to the left flank and right side of the neck.  He became hypotensive and died.  This presentation is most compatible with:

Coronary artery disease

Ruptured myocardial infact

Aneurysm of the abdominal aorta

Dissecting aortic aneurysm

Pulmonary embolism