The other virtually pathognomonic sign is portal venous gas (PVG). It is not as early a sign as pneumatosis and may appear and disappear rapidly, and may easily be missed. 1 9 PVG (portal venous gas) ...

Positron emission tomography (PET)/computed tomography (CT) imaging can detect changes in arterial inflammation, but has not been used to evaluate chemotherapy-induced venous inflammation or assess ...

Background Blood gas analysis is important for assessment of ventilatory function. Traditionally, arterial analysis has been used. A method for mathematically arterialising venous blood gas values has ...

Industrial gas leakage measurement is a guarantee for safe production. Optical gas imaging is widely used due to its advantages of wide detection range and noncontact, but it has problems, such as low ...

Industrial process tomography (PT) possesses unique advantages in multiphase distribution imaging. Oil–gas–water three-phase distribution has coexisting high-impedance contrast and low-impedance ...