[Acute aortic dissection]

Aortic dissection is defined as a longitudinal split of the aortic wall begins in the middle tunic [or media] creating an intraparietal cavity more or less extensive [dissecting hematoma], which usually communicates by one or more intimal tears with the aortic lumen. Acute dissection of the aorta, has a spontaneous grave prognosis, it is not a rare accident. Although it is still very severe [hospital mortality rate of 27%], its prognosis benefits an emergency care in a specialist unit capable to rapidly diagnose its variable clinical picture