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10 Cards in this Set
- Front
- Back
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Portal Hypertension
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Acute or chronic hepatocellular disease blocks blood flow through the liver- which backs up into the hepatic portal circulation
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Portal hypertension in children occurs secondary to:
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umbilical vein catheterization, omphalitis, neonatal sepsis
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Portal hypertension in adults occurs secondary to:
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trauma, sepsis, pancreatitis, hepatocellular carcinoma, pancreatic carcinoma, shunts, splenectomy
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Presinusidal Extrahepatic Hypertension
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Thrombus of the portal or splenic veins associates with ascites, splenomegaly, varicies with a normal liver biopsy
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Intrahepatic Presinusoidal Hypertension
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Results of disease affecting the portal zones of the liver
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Intrahepatic Portal Hypertension
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Cause is usually cirrhosis
90% of cases |
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Portosystemic Venous Collaterals
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Caused when the resistance of blood flow to the portal vessels exceeds the resistance of flow in the small communicating channel between the portal system and systemic circulation
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Portal Vein Thrombosis
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echogenic thrombus w/in the lumen
Expansion of the vein Cavernous formation Acute can be missed unless dopplered |
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Budd Chairi Syndrome
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Occlusion of the hepatic veins lumen
Large and bulbous liver with ascites and infarcts Caudate lobe normal looking |
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Budd Chairi Syndrome
Causes and Symptoms |
birth control, chronic leukemia, trauma, pregnancy, renal carcinoma
-Hepatomegaly, splenomegaly, more prevalent in South Africa and India |
