Hepatic encephalopathy laboratory findings

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1];Associate Editor(s)-in-Chief: Mohamadmostafa Jahansouz M.D.[2]

Overview

An elevated/reduced concentration of serum/blood/urinary/CSF/other [lab test] is diagnostic of [disease name].

OR

Laboratory findings consistent with the diagnosis of [disease name] include [abnormal test 1], [abnormal test 2], and [abnormal test 3].

OR

[Test] is usually normal among patients with [disease name].

OR

Some patients with [disease name] may have elevated/reduced concentration of [test], which is usually suggestive of [progression/complication].

OR

There are no diagnostic laboratory findings associated with [disease name].

Laboratory Findings

• There are no diagnostic laboratory findings associated with [disease name].

OR

• An elevated/reduced concentration of serum/blood/urinary/CSF/other [lab test] is diagnostic of [disease name].
• [Test] is usually normal among patients with [disease name].
• Laboratory findings consistent with the diagnosis of [disease name] include:
  • [Abnormal test 1]
  • [Abnormal test 2]
  • [Abnormal test 3]

• Some patients with [disease name] may have elevated/reduced concentration of [test], which is usually suggestive of [progression/complication].

Laboratory Findings

Tests may include:

• Complete blood count or hematocrit to check for anemia
• Liver function tests
• Prothrombin time
• Serum ammonia levels
• Sodium level in the blood
• Potassium level in the blood
• BUN and creatinine to see how the kidneys are working

Ammonia levels

An ammonia level more than 200 strongly suggests hepatic encephalopathy.

Ammonia levels over 123 are likely to improve with lactulose therapy.