The condition can be mimicked by a ruptured cyst of the pericardium, ruptured<unk>  aneurysm and<unk>  coronary syndrome. Misdiagnosis is estimated at 39% and is associated with delays correct diagnosis and improper treatment with anticoagulants producing excessive bleeding and extended hospital stays.
Acute aortic syndrome
Aortic dissection
Aortic rupture
Traumatic aortic rupture
Thoracic aortic aneurysm
Subclavian steal syndrome
Inferior vena cava syndrome
Acute pericarditis