[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

[Cardiac hydatidosis revealed by tamponnade - about a case]

The hydatid cyst of heart is rare Its clinical presentation is not specific Its complications are serious The authors report an original observation in a 85 year old who presented with tamponnade The diagnosis is posed by scan This observation underlines the rare cardiac involvement, the seventy of the complications and the limits of the echocardiography like diagnostic means