{"id":5393,"date":"2025-12-08T23:17:54","date_gmt":"2025-12-09T04:17:54","guid":{"rendered":"https:\/\/pressbooks.bccampus.ca\/pathophysiology\/?post_type=chapter&#038;p=5393"},"modified":"2026-01-12T18:38:38","modified_gmt":"2026-01-12T23:38:38","slug":"types-of-jaundice-and-their-causes","status":"web-only","type":"chapter","link":"https:\/\/pressbooks.bccampus.ca\/pathophysiology\/chapter\/types-of-jaundice-and-their-causes\/","title":{"raw":"10p16  Types of Jaundice and Their Causes","rendered":"10p16  Types of Jaundice and Their Causes"},"content":{"raw":"<strong>3 Types of Jaundice (Icterus) and Their Causes<\/strong>\r\n<h1><strong>Overview<\/strong><\/h1>\r\n<ul>\r\n \t<li><strong>Jaundice (Icterus):<\/strong>\u00a0Yellowing of skin and eyes caused by excess\u00a0<strong>bilirubin<\/strong>\u00a0in blood (<strong>hyperbilirubinemia<\/strong>).<\/li>\r\n \t<li>Jaundice clues the underlying issue related to\u00a0<strong>red blood cell destruction<\/strong>,\u00a0<strong>liver function<\/strong>, or\u00a0<strong>bile flow<\/strong>.<\/li>\r\n<\/ul>\r\n<strong>Types of Jaundice (Icterus) and Their Causes<\/strong>\r\n\r\n<strong>Overview<\/strong>\r\n<ul>\r\n \t<li>Jaundice results from\u00a0<strong>excess bilirubin<\/strong>\u00a0in the blood, leading to\u00a0<strong>yellowing of skin and eyes<\/strong>.<\/li>\r\n \t<li>The\u00a0<strong>type of jaundice<\/strong>\u00a0helps identify the\u00a0<strong>underlying problem<\/strong>:\r\n<ul>\r\n \t<li><em>Pre-hepatic<\/em>: Excessive RBC destruction.<\/li>\r\n \t<li><em>Intrahepatic<\/em>: Liver dysfunction.<\/li>\r\n \t<li><em>Post-hepatic<\/em>: Bile duct obstruction.<\/li>\r\n<\/ul>\r\n<\/li>\r\n<\/ul>\r\n<h1><strong>1.\u00a0 Pre-Hepatic Jaundice<\/strong><\/h1>\r\n<ul>\r\n \t<li><strong>Cause:<\/strong>\u00a0Excessive destruction of\u00a0<strong>red blood cells<\/strong>\u00a0before reaching the liver.<\/li>\r\n \t<li><strong>Pathophysiology:<\/strong>\r\n<ul>\r\n \t<li>Increased breakdown of RBCs (hemolysis).<\/li>\r\n \t<li>Liver's capacity to conjugate bilirubin becomes overwhelmed.<\/li>\r\n \t<li>Mainly\u00a0<strong>unconjugated bilirubin<\/strong>\u00a0accumulates in blood.<\/li>\r\n<\/ul>\r\n<\/li>\r\n \t<li><strong>Common Causes:<\/strong>\r\n<ul>\r\n \t<li><strong>Hemolytic anemia<\/strong>\u00a0(e.g.,\u00a0<strong>sickle cell disease<\/strong>).<\/li>\r\n \t<li><strong>Blood transfusions<\/strong>\u00a0with incompatible blood.<\/li>\r\n \t<li><strong>Physiologic jaundice<\/strong>\u00a0in newborns (common in first 2-3 days).<\/li>\r\n<\/ul>\r\n<\/li>\r\n \t<li><strong>Newborn Jaundice:<\/strong>\r\n<ul>\r\n \t<li>Immature liver.<\/li>\r\n \t<li>RBCs last about\u00a0<strong>60-90 days<\/strong>\u00a0(less than adult 120 days).<\/li>\r\n \t<li><strong>Phototherapy:<\/strong>\u00a0Blue light converts bilirubin into water-soluble form for excretion.<\/li>\r\n<\/ul>\r\n<\/li>\r\n \t<li><strong>Signs:<\/strong>\u00a0Yellowing of skin and eyes; high unconjugated bilirubin.<\/li>\r\n<\/ul>\r\n&nbsp;\r\n<h1><strong>2.\u00a0 Intrahepatic Jaundice<\/strong><\/h1>\r\n<ul>\r\n \t<li><strong>Cause:<\/strong>\u00a0Liver\u00a0<strong>dysfunction<\/strong>\u00a0or\u00a0<strong>damage<\/strong>.<\/li>\r\n \t<li><strong>Pathophysiology:<\/strong>\r\n<ul>\r\n \t<li>Liver cells\u00a0<strong>cannot conjugate bilirubin effectively<\/strong>.<\/li>\r\n \t<li><strong>Inflammation<\/strong>,\u00a0<strong>cirrhosis<\/strong>, or\u00a0<strong>trauma<\/strong>\u00a0damages hepatocytes.<\/li>\r\n \t<li><strong>Conjugated bilirubin<\/strong>\u00a0may\u00a0<strong>back up<\/strong>\u00a0into blood due to\u00a0<strong>deterioration of bile ducts<\/strong>.<\/li>\r\n<\/ul>\r\n<\/li>\r\n \t<li><strong>Characteristic:<\/strong>\r\n<ul>\r\n \t<li>Elevated\u00a0<strong>conjugated bilirubin<\/strong>\u00a0in blood.<\/li>\r\n \t<li><strong>Deteriorating liver<\/strong>\u00a0(e.g., cirrhosis) causes\u00a0<strong>scarring<\/strong>\u00a0and\u00a0<strong>shrinking<\/strong>.<\/li>\r\n \t<li>Bile duct obstruction due to scarring leads to\u00a0<strong>bilirubin buildup<\/strong>.<\/li>\r\n<\/ul>\r\n<\/li>\r\n \t<li><strong>Signs:<\/strong>\r\n<ul>\r\n \t<li>Jaundice.<\/li>\r\n \t<li><strong>Liver scarring<\/strong>\u00a0visible as shrunken, fibrotic liver.<\/li>\r\n \t<li><strong>Poor excretion<\/strong>\u00a0of bilirubin causes tissue deposits.<\/li>\r\n<\/ul>\r\n<\/li>\r\n<\/ul>\r\n<strong>Summary<\/strong>\r\n<ul>\r\n \t<li><strong>Pre-hepatic jaundice<\/strong>: Excessive RBC destruction \u2192 high\u00a0<strong>unconjugated bilirubin<\/strong>.<\/li>\r\n \t<li><strong>Intrahepatic jaundice<\/strong>: Liver damage or disease \u2192 high\u00a0<strong>conjugated bilirubin<\/strong>.<\/li>\r\n \t<li>Proper diagnosis involves blood tests, imaging, and sometimes biopsy.<\/li>\r\n \t<li>Treatment depends on cause, aiming to reduce hemolysis or improve liver function.<\/li>\r\n<\/ul>\r\n<h1><strong>3.\u00a0 Post-Hepatic Jaundice (Obstructive Jaundice)<\/strong><\/h1>\r\n<strong>Cause<\/strong>\r\n<ul>\r\n \t<li><strong>Normal liver function<\/strong>: Liver conjugates bilirubin.<\/li>\r\n \t<li><strong>Problem occurs after bilirubin leaves the liver<\/strong>:\r\n<ul>\r\n \t<li>Usually due to\u00a0<strong>obstruction<\/strong>\u00a0in the bile ducts (e.g.,\u00a0<strong>gallstones<\/strong>,\u00a0<strong>tumors<\/strong>).<\/li>\r\n<\/ul>\r\n<\/li>\r\n<\/ul>\r\n<strong>Formation of Gallstones<\/strong>\r\n<ul>\r\n \t<li><strong>Cholelithiasis<\/strong>:\r\n<ul>\r\n \t<li><strong>Chole-<\/strong>: cholesterol.<\/li>\r\n \t<li><strong>Lith<\/strong>: stone.<\/li>\r\n<\/ul>\r\n<\/li>\r\n \t<li>Gallstones\u00a0<strong>lodged<\/strong>\u00a0in bile ducts cause\u00a0<strong>obstruction<\/strong>.<\/li>\r\n<\/ul>\r\n<strong>Visual Illustration<\/strong>\r\n<ul>\r\n \t<li>Blocked\u00a0<strong>bile flow<\/strong>\u00a0prevents bilirubin excretion.<\/li>\r\n \t<li><strong>Bilirubin<\/strong>\u00a0accumulates in blood, causing jaundice.<\/li>\r\n \t<li>Fecal color\u00a0<strong>depends on bilirubin<\/strong>:\r\n<ul>\r\n \t<li><strong>Normal<\/strong>: brown.<\/li>\r\n \t<li><strong>Blocked bile<\/strong>: light-colored stool due to lack of bilirubin in the intestines.<\/li>\r\n<\/ul>\r\n<\/li>\r\n<\/ul>\r\n<strong>Pathophysiology<\/strong>\r\n<ul>\r\n \t<li>Bile\u00a0<strong>cannot flow into the duodenum<\/strong>.<\/li>\r\n \t<li><strong>Conjugated bilirubin<\/strong>\u00a0builds up in the\u00a0<strong>blood<\/strong>.<\/li>\r\n \t<li><strong>Bile salts<\/strong>\u00a0leak into tissues, causing:\r\n<ul>\r\n \t<li><strong>Pruritis<\/strong>\u00a0(itching).<\/li>\r\n \t<li><strong>Jaundice<\/strong>.<\/li>\r\n<\/ul>\r\n<\/li>\r\n<\/ul>\r\n<strong>Effects on Digestion and Nutrition<\/strong>\r\n<ul>\r\n \t<li><strong>Reduced bile in the intestine<\/strong>:\r\n<ul>\r\n \t<li>Impaired\u00a0<strong>emulsification of fats<\/strong>.<\/li>\r\n \t<li>Leads to\u00a0<strong>malabsorption<\/strong>\u00a0of fats and\u00a0<strong>nutritional deficiencies<\/strong>\u00a0over time.<\/li>\r\n<\/ul>\r\n<\/li>\r\n<\/ul>\r\n<h1><strong>Summary of Jaundice Types and Causes<\/strong><\/h1>\r\n<table class=\"grid landscape\" style=\"height: 60px\">\r\n<thead>\r\n<tr class=\"shaded\" style=\"height: 15px\">\r\n<td style=\"height: 15px;width: 87.5437px\"><strong>Type<\/strong><\/td>\r\n<td style=\"height: 15px;width: 196.144px\"><strong>Cause<\/strong><\/td>\r\n<td style=\"height: 15px;width: 237.712px\"><strong>Blood Bilirubin<\/strong><\/td>\r\n<td style=\"height: 15px;width: 110.437px\"><strong>Serum Bilirubin<\/strong><\/td>\r\n<td style=\"height: 15px;width: 383.531px\"><strong>Main Features<\/strong><\/td>\r\n<\/tr>\r\n<\/thead>\r\n<tbody>\r\n<tr style=\"height: 15px\">\r\n<td style=\"height: 15px;width: 87.5437px\"><strong>Pre-hepatic<\/strong><\/td>\r\n<td style=\"height: 15px;width: 196.144px\">Excessive RBC destruction<\/td>\r\n<td style=\"height: 15px;width: 237.712px\">Mostly\u00a0<strong>unconjugated<\/strong><\/td>\r\n<td style=\"height: 15px;width: 110.437px\">Elevated<\/td>\r\n<td style=\"height: 15px;width: 383.531px\">Hemolytic anemia, blood transfusions, newborn jaundice.<\/td>\r\n<\/tr>\r\n<tr style=\"height: 15px\">\r\n<td style=\"height: 15px;width: 87.5437px\"><strong>Intrahepatic<\/strong><\/td>\r\n<td style=\"height: 15px;width: 196.144px\">Liver damage (viral, cirrhosis)<\/td>\r\n<td style=\"height: 15px;width: 237.712px\">Both\u00a0<strong>conjugated and unconjugated<\/strong><\/td>\r\n<td style=\"height: 15px;width: 110.437px\">Elevated<\/td>\r\n<td style=\"height: 15px;width: 383.531px\">Liver disease affecting conjugation or excretion.<\/td>\r\n<\/tr>\r\n<tr style=\"height: 15px\">\r\n<td style=\"height: 15px;width: 87.5437px\"><strong>Post-hepatic<\/strong><\/td>\r\n<td style=\"height: 15px;width: 196.144px\">Bile duct obstruction<\/td>\r\n<td style=\"height: 15px;width: 237.712px\">Mainly\u00a0<strong>conjugated<\/strong><\/td>\r\n<td style=\"height: 15px;width: 110.437px\">Elevated<\/td>\r\n<td style=\"height: 15px;width: 383.531px\">Gallstones, tumors causing blockage.<\/td>\r\n<\/tr>\r\n<\/tbody>\r\n<\/table>\r\n<h1><strong>Diagnostic Tests<\/strong><\/h1>\r\n<ul>\r\n \t<li>Blood tests measure\u00a0<strong>total<\/strong>,\u00a0<strong>conjugated<\/strong>, and\u00a0<strong>unconjugated bilirubin<\/strong>.<\/li>\r\n \t<li><strong>Subtract conjugated<\/strong>\u00a0bilirubin from total to find unconjugated.<\/li>\r\n \t<li>Imaging (ultrasound, ERCP) helps locate\u00a0<strong>obstructions<\/strong>.<\/li>\r\n<\/ul>\r\n<h2><strong>Final Notes<\/strong><\/h2>\r\n<ul>\r\n \t<li>Recognizing\u00a0<strong>bilirubin levels<\/strong>\u00a0helps pinpoint\u00a0<strong>where<\/strong>\u00a0the problem is.<\/li>\r\n \t<li>Early detection allows for appropriate\u00a0<strong>treatment<\/strong>.<\/li>\r\n<\/ul>","rendered":"<p><strong>3 Types of Jaundice (Icterus) and Their Causes<\/strong><\/p>\n<h1><strong>Overview<\/strong><\/h1>\n<ul>\n<li><strong>Jaundice (Icterus):<\/strong>\u00a0Yellowing of skin and eyes caused by excess\u00a0<strong>bilirubin<\/strong>\u00a0in blood (<strong>hyperbilirubinemia<\/strong>).<\/li>\n<li>Jaundice clues the underlying issue related to\u00a0<strong>red blood cell destruction<\/strong>,\u00a0<strong>liver function<\/strong>, or\u00a0<strong>bile flow<\/strong>.<\/li>\n<\/ul>\n<p><strong>Types of Jaundice (Icterus) and Their Causes<\/strong><\/p>\n<p><strong>Overview<\/strong><\/p>\n<ul>\n<li>Jaundice results from\u00a0<strong>excess bilirubin<\/strong>\u00a0in the blood, leading to\u00a0<strong>yellowing of skin and eyes<\/strong>.<\/li>\n<li>The\u00a0<strong>type of jaundice<\/strong>\u00a0helps identify the\u00a0<strong>underlying problem<\/strong>:\n<ul>\n<li><em>Pre-hepatic<\/em>: Excessive RBC destruction.<\/li>\n<li><em>Intrahepatic<\/em>: Liver dysfunction.<\/li>\n<li><em>Post-hepatic<\/em>: Bile duct obstruction.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h1><strong>1.\u00a0 Pre-Hepatic Jaundice<\/strong><\/h1>\n<ul>\n<li><strong>Cause:<\/strong>\u00a0Excessive destruction of\u00a0<strong>red blood cells<\/strong>\u00a0before reaching the liver.<\/li>\n<li><strong>Pathophysiology:<\/strong>\n<ul>\n<li>Increased breakdown of RBCs (hemolysis).<\/li>\n<li>Liver&#8217;s capacity to conjugate bilirubin becomes overwhelmed.<\/li>\n<li>Mainly\u00a0<strong>unconjugated bilirubin<\/strong>\u00a0accumulates in blood.<\/li>\n<\/ul>\n<\/li>\n<li><strong>Common Causes:<\/strong>\n<ul>\n<li><strong>Hemolytic anemia<\/strong>\u00a0(e.g.,\u00a0<strong>sickle cell disease<\/strong>).<\/li>\n<li><strong>Blood transfusions<\/strong>\u00a0with incompatible blood.<\/li>\n<li><strong>Physiologic jaundice<\/strong>\u00a0in newborns (common in first 2-3 days).<\/li>\n<\/ul>\n<\/li>\n<li><strong>Newborn Jaundice:<\/strong>\n<ul>\n<li>Immature liver.<\/li>\n<li>RBCs last about\u00a0<strong>60-90 days<\/strong>\u00a0(less than adult 120 days).<\/li>\n<li><strong>Phototherapy:<\/strong>\u00a0Blue light converts bilirubin into water-soluble form for excretion.<\/li>\n<\/ul>\n<\/li>\n<li><strong>Signs:<\/strong>\u00a0Yellowing of skin and eyes; high unconjugated bilirubin.<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<h1><strong>2.\u00a0 Intrahepatic Jaundice<\/strong><\/h1>\n<ul>\n<li><strong>Cause:<\/strong>\u00a0Liver\u00a0<strong>dysfunction<\/strong>\u00a0or\u00a0<strong>damage<\/strong>.<\/li>\n<li><strong>Pathophysiology:<\/strong>\n<ul>\n<li>Liver cells\u00a0<strong>cannot conjugate bilirubin effectively<\/strong>.<\/li>\n<li><strong>Inflammation<\/strong>,\u00a0<strong>cirrhosis<\/strong>, or\u00a0<strong>trauma<\/strong>\u00a0damages hepatocytes.<\/li>\n<li><strong>Conjugated bilirubin<\/strong>\u00a0may\u00a0<strong>back up<\/strong>\u00a0into blood due to\u00a0<strong>deterioration of bile ducts<\/strong>.<\/li>\n<\/ul>\n<\/li>\n<li><strong>Characteristic:<\/strong>\n<ul>\n<li>Elevated\u00a0<strong>conjugated bilirubin<\/strong>\u00a0in blood.<\/li>\n<li><strong>Deteriorating liver<\/strong>\u00a0(e.g., cirrhosis) causes\u00a0<strong>scarring<\/strong>\u00a0and\u00a0<strong>shrinking<\/strong>.<\/li>\n<li>Bile duct obstruction due to scarring leads to\u00a0<strong>bilirubin buildup<\/strong>.<\/li>\n<\/ul>\n<\/li>\n<li><strong>Signs:<\/strong>\n<ul>\n<li>Jaundice.<\/li>\n<li><strong>Liver scarring<\/strong>\u00a0visible as shrunken, fibrotic liver.<\/li>\n<li><strong>Poor excretion<\/strong>\u00a0of bilirubin causes tissue deposits.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p><strong>Summary<\/strong><\/p>\n<ul>\n<li><strong>Pre-hepatic jaundice<\/strong>: Excessive RBC destruction \u2192 high\u00a0<strong>unconjugated bilirubin<\/strong>.<\/li>\n<li><strong>Intrahepatic jaundice<\/strong>: Liver damage or disease \u2192 high\u00a0<strong>conjugated bilirubin<\/strong>.<\/li>\n<li>Proper diagnosis involves blood tests, imaging, and sometimes biopsy.<\/li>\n<li>Treatment depends on cause, aiming to reduce hemolysis or improve liver function.<\/li>\n<\/ul>\n<h1><strong>3.\u00a0 Post-Hepatic Jaundice (Obstructive Jaundice)<\/strong><\/h1>\n<p><strong>Cause<\/strong><\/p>\n<ul>\n<li><strong>Normal liver function<\/strong>: Liver conjugates bilirubin.<\/li>\n<li><strong>Problem occurs after bilirubin leaves the liver<\/strong>:\n<ul>\n<li>Usually due to\u00a0<strong>obstruction<\/strong>\u00a0in the bile ducts (e.g.,\u00a0<strong>gallstones<\/strong>,\u00a0<strong>tumors<\/strong>).<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p><strong>Formation of Gallstones<\/strong><\/p>\n<ul>\n<li><strong>Cholelithiasis<\/strong>:\n<ul>\n<li><strong>Chole-<\/strong>: cholesterol.<\/li>\n<li><strong>Lith<\/strong>: stone.<\/li>\n<\/ul>\n<\/li>\n<li>Gallstones\u00a0<strong>lodged<\/strong>\u00a0in bile ducts cause\u00a0<strong>obstruction<\/strong>.<\/li>\n<\/ul>\n<p><strong>Visual Illustration<\/strong><\/p>\n<ul>\n<li>Blocked\u00a0<strong>bile flow<\/strong>\u00a0prevents bilirubin excretion.<\/li>\n<li><strong>Bilirubin<\/strong>\u00a0accumulates in blood, causing jaundice.<\/li>\n<li>Fecal color\u00a0<strong>depends on bilirubin<\/strong>:\n<ul>\n<li><strong>Normal<\/strong>: brown.<\/li>\n<li><strong>Blocked bile<\/strong>: light-colored stool due to lack of bilirubin in the intestines.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p><strong>Pathophysiology<\/strong><\/p>\n<ul>\n<li>Bile\u00a0<strong>cannot flow into the duodenum<\/strong>.<\/li>\n<li><strong>Conjugated bilirubin<\/strong>\u00a0builds up in the\u00a0<strong>blood<\/strong>.<\/li>\n<li><strong>Bile salts<\/strong>\u00a0leak into tissues, causing:\n<ul>\n<li><strong>Pruritis<\/strong>\u00a0(itching).<\/li>\n<li><strong>Jaundice<\/strong>.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p><strong>Effects on Digestion and Nutrition<\/strong><\/p>\n<ul>\n<li><strong>Reduced bile in the intestine<\/strong>:\n<ul>\n<li>Impaired\u00a0<strong>emulsification of fats<\/strong>.<\/li>\n<li>Leads to\u00a0<strong>malabsorption<\/strong>\u00a0of fats and\u00a0<strong>nutritional deficiencies<\/strong>\u00a0over time.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h1><strong>Summary of Jaundice Types and Causes<\/strong><\/h1>\n<table class=\"grid landscape\" style=\"height: 60px\">\n<thead>\n<tr class=\"shaded\" style=\"height: 15px\">\n<td style=\"height: 15px;width: 87.5437px\"><strong>Type<\/strong><\/td>\n<td style=\"height: 15px;width: 196.144px\"><strong>Cause<\/strong><\/td>\n<td style=\"height: 15px;width: 237.712px\"><strong>Blood Bilirubin<\/strong><\/td>\n<td style=\"height: 15px;width: 110.437px\"><strong>Serum Bilirubin<\/strong><\/td>\n<td style=\"height: 15px;width: 383.531px\"><strong>Main Features<\/strong><\/td>\n<\/tr>\n<\/thead>\n<tbody>\n<tr style=\"height: 15px\">\n<td style=\"height: 15px;width: 87.5437px\"><strong>Pre-hepatic<\/strong><\/td>\n<td style=\"height: 15px;width: 196.144px\">Excessive RBC destruction<\/td>\n<td style=\"height: 15px;width: 237.712px\">Mostly\u00a0<strong>unconjugated<\/strong><\/td>\n<td style=\"height: 15px;width: 110.437px\">Elevated<\/td>\n<td style=\"height: 15px;width: 383.531px\">Hemolytic anemia, blood transfusions, newborn jaundice.<\/td>\n<\/tr>\n<tr style=\"height: 15px\">\n<td style=\"height: 15px;width: 87.5437px\"><strong>Intrahepatic<\/strong><\/td>\n<td style=\"height: 15px;width: 196.144px\">Liver damage (viral, cirrhosis)<\/td>\n<td style=\"height: 15px;width: 237.712px\">Both\u00a0<strong>conjugated and unconjugated<\/strong><\/td>\n<td style=\"height: 15px;width: 110.437px\">Elevated<\/td>\n<td style=\"height: 15px;width: 383.531px\">Liver disease affecting conjugation or excretion.<\/td>\n<\/tr>\n<tr style=\"height: 15px\">\n<td style=\"height: 15px;width: 87.5437px\"><strong>Post-hepatic<\/strong><\/td>\n<td style=\"height: 15px;width: 196.144px\">Bile duct obstruction<\/td>\n<td style=\"height: 15px;width: 237.712px\">Mainly\u00a0<strong>conjugated<\/strong><\/td>\n<td style=\"height: 15px;width: 110.437px\">Elevated<\/td>\n<td style=\"height: 15px;width: 383.531px\">Gallstones, tumors causing blockage.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h1><strong>Diagnostic Tests<\/strong><\/h1>\n<ul>\n<li>Blood tests measure\u00a0<strong>total<\/strong>,\u00a0<strong>conjugated<\/strong>, and\u00a0<strong>unconjugated bilirubin<\/strong>.<\/li>\n<li><strong>Subtract conjugated<\/strong>\u00a0bilirubin from total to find unconjugated.<\/li>\n<li>Imaging (ultrasound, ERCP) helps locate\u00a0<strong>obstructions<\/strong>.<\/li>\n<\/ul>\n<h2><strong>Final Notes<\/strong><\/h2>\n<ul>\n<li>Recognizing\u00a0<strong>bilirubin levels<\/strong>\u00a0helps pinpoint\u00a0<strong>where<\/strong>\u00a0the problem is.<\/li>\n<li>Early detection allows for appropriate\u00a0<strong>treatment<\/strong>.<\/li>\n<\/ul>\n","protected":false},"author":1370,"menu_order":19,"template":"","meta":{"pb_show_title":"on","pb_short_title":"","pb_subtitle":"","pb_authors":["zoe-soon"],"pb_section_license":"cc-by-nc-sa"},"chapter-type":[],"contributor":[60],"license":[57],"class_list":["post-5393","chapter","type-chapter","status-web-only","hentry","contributor-zoe-soon","license-cc-by-nc-sa"],"part":67,"_links":{"self":[{"href":"https:\/\/pressbooks.bccampus.ca\/pathophysiology\/wp-json\/pressbooks\/v2\/chapters\/5393","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/pressbooks.bccampus.ca\/pathophysiology\/wp-json\/pressbooks\/v2\/chapters"}],"about":[{"href":"https:\/\/pressbooks.bccampus.ca\/pathophysiology\/wp-json\/wp\/v2\/types\/chapter"}],"author":[{"embeddable":true,"href":"https:\/\/pressbooks.bccampus.ca\/pathophysiology\/wp-json\/wp\/v2\/users\/1370"}],"version-history":[{"count":6,"href":"https:\/\/pressbooks.bccampus.ca\/pathophysiology\/wp-json\/pressbooks\/v2\/chapters\/5393\/revisions"}],"predecessor-version":[{"id":5399,"href":"https:\/\/pressbooks.bccampus.ca\/pathophysiology\/wp-json\/pressbooks\/v2\/chapters\/5393\/revisions\/5399"}],"part":[{"href":"https:\/\/pressbooks.bccampus.ca\/pathophysiology\/wp-json\/pressbooks\/v2\/parts\/67"}],"metadata":[{"href":"https:\/\/pressbooks.bccampus.ca\/pathophysiology\/wp-json\/pressbooks\/v2\/chapters\/5393\/metadata\/"}],"wp:attachment":[{"href":"https:\/\/pressbooks.bccampus.ca\/pathophysiology\/wp-json\/wp\/v2\/media?parent=5393"}],"wp:term":[{"taxonomy":"chapter-type","embeddable":true,"href":"https:\/\/pressbooks.bccampus.ca\/pathophysiology\/wp-json\/pressbooks\/v2\/chapter-type?post=5393"},{"taxonomy":"contributor","embeddable":true,"href":"https:\/\/pressbooks.bccampus.ca\/pathophysiology\/wp-json\/wp\/v2\/contributor?post=5393"},{"taxonomy":"license","embeddable":true,"href":"https:\/\/pressbooks.bccampus.ca\/pathophysiology\/wp-json\/wp\/v2\/license?post=5393"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}