Aortic Dissection on Suprasternal Notch View - POCUS Suprasternal POCUS of the aortic arch dramatically changing a patient who presented with STEMI. Check out the aorta lumen; it has a non-contiguous dissection flap at the 8 and 10 o'clock positions representing the actual aortic mural defect causing dissection. Eric Abrams, MD @eabramsMD #Aortic #Dissection #Suprasternal #Notch #Clinical #POCUS #Aorta #Ultrasound #SSN