'''Microbubbles have been the earliest and most widely used ultrasound contrast agents by virtue of their unique features: such as non-toxicity, intravenous injectability, ability to cross the pulmonary capillary bed, and significant enhancement of echo ...'

'''entral venous catheterization is a common procedure in the management of critically ill patients, in the context of medical emergencies, and before surgical interventions. Placing a central venous catheter (CVC) in the internal jugular vein (IJV) using ...'

'''Second-generation intravenous blood-pool ultrasound contrast agents are increasingly used inendoscopic ultrasound (EUS) for characterization of microvascularization, differentialdiagnosis of benign and malignant focal lesions, as well as improved staging ...'

'''Ultrasound-guided central venous catheterisation is easier, quicker and safer than the traditional method using landmarks, and should be the method of choice when treating critical care patients. In an article published in the journal Critical Care, ...'