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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]
Neonatal jaundice is a yellowish discoloration of the white part of the eyes and skin in a newborn baby due to high bilirubin levels. [1] Other symptoms may include excess sleepiness or poor feeding. [1] Complications may include seizures, cerebral palsy, or kernicterus. [1] In most of cases there is no specific underlying physiologic disorder. [2]
Mild jaundice may appear under conditions of exertion, stress, fasting, and infections, but the condition is otherwise usually asymptomatic. [7] [8] Severe cases are seen by yellowing of the skin tone and yellowing of the conjunctiva in the eye. [9] Gilbert syndrome has been reported to contribute to an accelerated onset of neonatal jaundice.
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]
Initially, the symptoms of biliary atresia are indistinguishable from those of neonatal jaundice, a usually harmless condition commonly seen in infants. However, infants with biliary atresia develop progressive conjugated jaundice, pale white stools, dark urine, and an enlarged palpable liver. Some infants fail to thrive as there will be a ...
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Depending on a patient's genetic mutation they may be asymptomatic, have severe symptoms requiring hospitalization or experience death. [ 1 ] Depending on the type of hereditary hyperbilirubinemia, symptoms can be worsened when an additional cause of increased red blood cell turnover occurs, as these patients have a decreased ability to process ...
Jaundice may be noticeable in the sclera of the eyes at levels of about 2 to 3 mg/dl (34 to 51 μmol/L), [22] and in the skin at higher levels. [note 1] Jaundice is classified, depending upon whether the bilirubin is free or conjugated to glucuronic acid, into conjugated jaundice or unconjugated jaundice. [citation needed]