Complications of cholecystitis and/or biliary colic may also include cholangitis, sepsis, pancreatitis, hepatitis, and choledocholithiasis (10%). In addition, Gallbladder perforation occurs in 10% of patients with cholecystitis. When perforation is localized, it may be seen as pericholecystic fluid by ultrasonography.
Half-life is defined as the time it takes for one half of a radioactive element to decay into a daughter isotope. As radioactive isotopes of elements decay, they lose their radio activity and become a brand new element known as a daughter isotope.
a chemical element, atomic number 77, atomic weight 192.2. iÂ·ridÂ·iÂ·um (Ir), A white, silvery metallic element, atomic no. 77, atomic wt. 192.22; 192Ir is a radioisotope (half-life of 73.83 days) that has been used in the interstitial treatment of certain tumors. iridium. /iridÂ·iÂ·um/ (Ir) (Ä­-ridÂ´e-um) chemical element, at. no. 77. iridium Ir 192 an artificial radioactive isotope with a half-life of 75 days, used in radiotherapy.