Table of Contents
What is the pathophysiology of hepatitis?
Viruses enter the blood stream and spread to the liver. They infect the hepatocytes and multiply. They change the antigen structure on the virus site. The body begins to use self-mediated immune response attempting to damage the hepatocytes.
What is the process of hepatitis B?
Hepatitis B is spread when blood, semen, or other body fluid infected with the hepatitis B virus enters the body of someone who is not infected. People can become infected with the virus from: Birth (spread from an infected mother to her baby during birth) Sex with an infected partner.
What is the pathophysiology of hepatitis E?
The pathogenesis of hepatitis E is poorly understood. Since HEV is presumably transmitted by the fecal-oral route, it is unclear how the virus reaches the liver. Perhaps there is an extra-hepatic site of virus replication. The virus could replicate in the intestinal tract before reaching the liver.
What is the epidemiology of hepatitis B?
Summary. The prevalence of any past or present HBV infection during 2015–2018 was 4.3\%. Prevalence was higher among men (5.3\%) compared with women (3.4\%), and was highest among non-Hispanic Asian adults (21.1\%), followed by non-Hispanic black adults (10.8\%).
How does hepatitis B enter the cell?
3.2. After binding to the hepatocyte via NTCP, HBV must enter the cell. This entry is thought to occur via endocytosis.
What causes hepatitis A?
Hepatitis A is caused by a virus that infects liver cells and causes inflammation. The inflammation can affect how your liver works and cause other signs and symptoms of hepatitis A. The virus most commonly spreads when you eat or drink something contaminated with fecal matter, even just tiny amounts.
What is an example of a pathophysiology?
Pathophysiology: Deranged function in an individual or an organ due to a disease. For example, a pathophysiologic alteration is a change in function as distinguished from a structural defect.
What is involved in pathophysiology?
Studies of pathophysiology are concerned with the investigation of biological processes that are directly related to disease processes of physical, mental, or psychophysiological conditions and disorders (e.g., alterations in the endocrine system, in certain neurotransmitters, or inflammatory parameters related to the …
What is hepatitis B prophylaxis?
Post-exposure prophylaxis (PEP) is treatment that can be used after possible exposure to the hepatitis B virus through sex, drug injecting equipment or injury such as needle stick injury. PEP is given to decrease the risk of infection with the hepatitis B virus.
https://www.youtube.com/watch?v=B2ZFVZVGxpE