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Drug-induced liver injury, as Hy's law states, patients with bilirubin of >3 mg/dL have 10% mortality rate. [36] End stage liver disease models also include hyperbilirubinemia as a critical parameter in prognosis of cirrhosis. Moreover, serum bilirubin is positively associated with mortality in patients with severe sepsis or traumatic brain injury.
Neonatal cholestasis refers to elevated levels of conjugated bilirubin identified in newborn infants within the first few months of life. [1] Conjugated hyperbilirubinemia is clinically defined as >20% of total serum bilirubin or conjugated bilirubin concentration greater than 1.0 mg/dL regardless of total serum bilirubin concentration. [2]
Pathological jaundice in newborns should be suspected when the serum bilirubin level rises by more than 5 mg/dL per day, serum bilirubin more than the physiological range, clinical jaundice more than 2 weeks, and conjugated bilirubin (dark urine staining clothes). Haemolytic jaundice is the commonest cause of pathological jaundice.
[4] Normal levels of bilirubin in blood are below 1.0 mg/dl (17 μmol/L), while levels over 2–3 mg/dl (34–51 μmol/L) typically result in jaundice. [4] [9] High blood bilirubin is divided into two types: unconjugated and conjugated bilirubin. [10] Causes of jaundice vary from relatively benign to potentially fatal. [10]
mg/dL 0.9 [64] 1.7 [64] mmol/L Total cholesterol: 3.0, [65] 3.6 [14] [65] 5.0, [5] [66] 6.5 [14] mmol/L < 3.9 mmol/L [63] 120, [15] 140 [14] 200, [15] 250 [14] mg/dL < 150 mg/dL [63] HDL cholesterol: Female: 1.0, [67] 1.2, [5] 1.3 [65] 2.2 [67] mmol/L > 1.0 [67] or 1.6 [65] mmol/L 40 [68] or 60 [69] mg/dL 40, [68] 50 [70] 86 [68] mg/dL HDL ...
Jaundice leads to raised bilirubin levels [20] > that in turn negatively remove elastin-rich tissues. [21] 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]
In primary sclerosing cholangitis (PSC) and primary biliary cholangitis (PBC), some use a modified Child–Pugh score where the bilirubin references are changed to reflect the fact that these diseases feature high conjugated bilirubin levels. The upper limit for 1 point is 68 μmol/L (4 mg/dL) and the upper limit for 2 points is 170 μmol/L (10 ...
C-reactive protein is usually elevated although not commonly measured in the United States. [1] Bilirubin levels are often mildly elevated (1–4 mg/dL). [14] If bilirubin levels are more significantly elevated, alternate or additional diagnoses should be considered such as gallstone blocking the common bile duct (common bile duct stone). [1]