Ultrasound The 'halo' sign in ultrasound is quite specific for temporal artertitis. Schmidt et al. originally reported the ultrasound appearance of a hypoechoic halo' around affected arteries in ...

Of these 51 cases, 47% (24/51) had reported coarctation of the aorta, 27% (14/51) bicuspid aortic valve (BAV) and 18% (9/51) both BAV and a coarctation. Of the 65 cases in which blood pressure and CHD ...

### Learning objectives After reading this article, the readers should be able to: Acute aortic dissection (AAD) is a relatively rare but much-feared clinical presentation which has a high mortality, ...