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Jaundice, also known as icterus, is a yellowish or greenish pigmentation of the skin and sclera due to high bilirubin levels. [3] [6] Jaundice in adults is typically a sign indicating the presence of underlying diseases involving abnormal heme metabolism, liver dysfunction, or biliary-tract obstruction. [7]
Physical examination reviews clinical symptoms like degree of jaundice, vital signs and sensations of pain, further followed by urine tests, blood analysis and imaging. [3] [4] The degree of yellowish staining of the conjunctiva and skin in jaundice is proportional to hyperbilirubinemia to some extent. [6]
Kernicterus is a bilirubin-induced brain dysfunction. [1] The term was coined in 1904 by Christian Georg Schmorl.Bilirubin is a naturally occurring substance in the body of humans and many other animals, but it is neurotoxic when its concentration in the blood is too high, a condition known as hyperbilirubinemia.
Prolonged hyperbilirubinemia (severe jaundice) can result in chronic bilirubin encephalopathy (kernicterus). [5] [6] Quick and accurate treatment of neonatal jaundice helps to reduce the risk of neonates developing kernicterus. [7] Infants with kernicterus may have a fever [8] or seizures. [9] High pitched crying is an effect of kernicterus.
Gilbert syndrome is a phenotypic effect, mostly associated with increased blood bilirubin levels, but also sometimes characterized by mild jaundice due to increased unconjugated bilirubin, that arises from several different genotypic variants of the gene for the enzyme responsible for changing bilirubin to the conjugated form. [citation needed]
Hemolytic jaundice, also known as prehepatic jaundice, is a type of jaundice arising from hemolysis or excessive destruction of red blood cells, when the byproduct bilirubin is not excreted by the hepatic cells quickly enough. [1]
Despite her deepest fears, Joseph came home from his two combat tours at age 22, physically sound. But the demons of his moral injuries followed close behind and eventually closed in on him. It turned out, she realized too late, that coming home was more dangerous than being at war. “It wasn’t Afghanistan where he died,” she reminded me.
Rotor syndrome (also known as Rotor type hyperbilirubinemia) [2] is a rare cause of mixed direct (conjugated) and indirect (unconjugated) hyperbilirubinemia, relatively benign, autosomal recessive [3] bilirubin disorder characterized by non-hemolytic jaundice due to the chronic elevation of predominantly conjugated bilirubin.