Items tagged “biochemistry”
4 results found
Article
CA 19-9
CA 19-9 (carbohydrate antigen 19-9 or cancer antigen 19-9) is a serum antigen (monosialoganglioside) that has increased diagnostic use in the management of several malignancies, mainly of hepatopancreaticobiliary origin. It is non-specific, however, and can rise in both malignant and non-maligna...
Article
Heavy metals
Heavy metals is a vague term referring to metals of toxicologic significance. While historically this referred to metals of a high density/mass, such as those in the lanthanides and actinides (on the periodic table), it now encompasses a broad array of elements, including some metalloids (e.g. a...
Article
Cobalt
Cobalt (chemical symbol Co) is an essential trace element. Its most important function in humans is as the active metal atomic center of vitamin B12.
Chemistry
Basic chemistry
Cobalt is a shiny grey-silvery transition metal with an atomic number 27 and an atomic weight of 58.93 Daltons (Da). ...
Article
Hyponatremia
Hyponatremia by definition is described as serum Na <135 meq/l and severe hyponatremia is sodium levels less than 120meq/l. It is seen up to ~30% of patients in ICU settings 1-3.
Clinical presentation
Development of symptoms in less than 48 hours is called acute hyponatremia, resulting in fits...