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==Description==
 
==Description==
'''Portosystemic shunts (PSS)''' are anomalous vascular connections between the portal and systemic venous systems.  This allows for some portal blood draining from the stomach, intestines, pancreas and spleen to bypass the liver and drains directly into the systemic circulation.  PSS may be congenital or acquired secondary to portal hypertension.
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'''Portosystemic shunts (PSS)''' are anomalous vascular connections between the portal and systemic venous systems.  This allows for some portal blood draining from the [[Alimentary - Anatomy & Physiology #Stomach|stomach]], [[Alimentary - Anatomy & Physiology #Small Intestine|intestines]], [[Pancreas - Anatomy & Physiology|pancreas]] and [[Spleen - Anatomy & Physiology|spleen]] to bypass the [[Liver - Anatomy & Physiology|liver]] and drains directly into the systemic circulation.  PSS may be congenital or acquired secondary to portal hypertension.
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The pathophysiology of PSS relates to the shunting of blood directly from the systemic circulation, resulting in hyperammonaemia and [[Hepatic Encephalopathy]].
 
The pathophysiology of PSS relates to the shunting of blood directly from the systemic circulation, resulting in hyperammonaemia and [[Hepatic Encephalopathy]].
      
==Diagnosis==
 
==Diagnosis==
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