Hepatitis overview: Difference between revisions
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{{Hepatitis}} | {{Hepatitis}} | ||
{{CMG}} | {{CMG}} {{AE}} | ||
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==Overview== | ==Overview== | ||
Hepatitis implies injury to [[liver]] characterized by presence of [[inflammatory]] [[cell (biology)|cell]]s in the liver [[Tissue (biology)|tissue]]. The condition can be self limiting, healing on its own, or can progress to scarring of the liver. Hepatitis is acute when it lasts less than 6 months and chronic when it persists longer. A group of [[viruses]] known as the hepatitis viruses cause most cases of liver damage worldwide. Hepatitis can also be due to toxins (notably alcohol), other infections or from [[autoimmune]] process. It may run a [[subclinical]] course when the affected person may not feel [[illness|ill]]. The [[patient]] becomes unwell and [[symptom]]atic when the disease impairs liver functions that include, among other things, screening of harmful substances, regulation of blood composition, and production of bile to help digestion. | |||
==Historical Perspective== | |||
[[Etymologically]] from ancient Greek ''hepar'' (ηπαρ) or ''hepato''- (ηπατο-), meaning 'liver,' and suffix ''-itis,'' denoting 'inflammation'. World Hepatitis Awareness Day is an annual event organized by several worldwide hepatitis advocacy groups to raise awareness of [[infectious hepatitis]] and demand action to curb the spread of the [[disease]] and treat people who are infected. | |||
==Classification== | |||
==Pathophysiology== | |||
==Causes== | |||
==Differentiating Hepatitis from other Diseases== | |||
==Epidemiology and Demographics== | |||
HAV, HBV, HCV, HDV (with co-existing HBV infection), and HEV causes 95% of total acute [[viral hepatitis]] in the United States. | |||
==Risk Factors== | |||
==Screening== | |||
==Natural History, Complications, and Prognosis== | |||
===Natural History=== | |||
===Complications=== | |||
===Prognosis=== | |||
==Diagnosis== | |||
===Diagnostic Criteria=== | |||
===History and Symptoms=== | |||
===Physical Examination=== | |||
===Laboratory Findings=== | |||
===Imaging Findings=== | |||
====CT==== | |||
CT abdomen may be done to exclude other causes of hepatitis such as biliary obstruction or in assessment of progression of hepatitis to [[cirrhosis]] or [[liver carcinoma]]. | |||
===Other Diagnostic Studies=== | |||
==Treatment== | |||
===Medical Therapy=== | |||
== | ===Surgery=== | ||
===Prevention=== | |||
==References== | |||
{{Reflist|2}} | |||
{{WH}} | {{WH}} | ||
{{WS}} | {{WS}} | ||
[[Category:Gastroenterology]] | |||
[[Category:Hepatology]] | |||
[[Category:Disease]] | |||
Latest revision as of 22:07, 29 July 2020
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Hepatitis Main Page |
Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1] Associate Editor(s)-in-Chief:
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Overview
Hepatitis implies injury to liver characterized by presence of inflammatory cells in the liver tissue. The condition can be self limiting, healing on its own, or can progress to scarring of the liver. Hepatitis is acute when it lasts less than 6 months and chronic when it persists longer. A group of viruses known as the hepatitis viruses cause most cases of liver damage worldwide. Hepatitis can also be due to toxins (notably alcohol), other infections or from autoimmune process. It may run a subclinical course when the affected person may not feel ill. The patient becomes unwell and symptomatic when the disease impairs liver functions that include, among other things, screening of harmful substances, regulation of blood composition, and production of bile to help digestion.
Historical Perspective
Etymologically from ancient Greek hepar (ηπαρ) or hepato- (ηπατο-), meaning 'liver,' and suffix -itis, denoting 'inflammation'. World Hepatitis Awareness Day is an annual event organized by several worldwide hepatitis advocacy groups to raise awareness of infectious hepatitis and demand action to curb the spread of the disease and treat people who are infected.
Classification
Pathophysiology
Causes
Differentiating Hepatitis from other Diseases
Epidemiology and Demographics
HAV, HBV, HCV, HDV (with co-existing HBV infection), and HEV causes 95% of total acute viral hepatitis in the United States.
Risk Factors
Screening
Natural History, Complications, and Prognosis
Natural History
Complications
Prognosis
Diagnosis
Diagnostic Criteria
History and Symptoms
Physical Examination
Laboratory Findings
Imaging Findings
CT
CT abdomen may be done to exclude other causes of hepatitis such as biliary obstruction or in assessment of progression of hepatitis to cirrhosis or liver carcinoma.