Acute ascending aortic dissection has a high mortality rate and requires rapid diagnosis and treatment. Point-of-care ultrasound (POCUS) can aid in the diagnosis. The aortic root is usually evaluated in the parasternal long-axis view; however. a dissection flap is not always visible in this projection. https://nooemstwa1oia.wikigop.com/1349320/research_of_braking_peculiarities_of_used_cars