OBJECTIVE: The aim of this study is to find out if an ultrasound technique has advantages over the conventional landmark technique. METHODS: This is a prospective randomized comparative study on 120 patients requiring central venous cannulation of the right internal jugular vein. The study comprised of two groups: ultrasound and landmark groups. each consisting of 60 patients. https://www.bekindtopets.com/save-now-Aqua-Pure-3MFF101-Full-Flow-Drinking-Water-System-Replacement-Cartridge-flash-choice/