Dr. J. Damodharan, MD*
a. The overproduction of bilirubin,
Plasma elevation of both unconjugated and conjugated bilirubin due to
a. Hepatocellular diseases,
b. Impaired canalicular excretion, and
c. Biliary obstruction.
The diagnostic approach to the icteric patient begins with a careful history and physical examination, and screening laboratory studies. Although the evaluation is usually not urgent, jaundice can reflect a medical emergency in a few select situations. These include:
a. Massive hemolysis (eg, due to Clostridium perfringens sepsis or falciparum malaria),
b. Ascending cholangitis,
c. Unconjugated hyperbilirubinemia in the neonatal period (which can lead to kernicterus), and fulminant hepatic failure.
Expedient diagnosis and appropriate therapy can be lifesaving in these settings.
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