viremia
Học thuậtThân thiện
Definition
- Noun:
- The presence of a virus in the bloodstream: A medical condition where viruses are detected in the blood. This is a key mechanism for a virus to spread from the initial site of infection to other parts of the body.
Usage
- "Viremia" is a technical medical term used primarily by healthcare professionals, researchers, and in scientific literature.
- It describes a specific stage or condition in the course of many viral infections.
- The term is typically used in a clinical or diagnostic context (e.g., "detect viremia," "persistent viremia").
Examples
- The patient's high fever and rash were consistent with a period of acute viremia.
- Laboratory tests confirmed the viremia, explaining the systemic nature of the infection.
- Effective antiviral treatment aims to reduce the level of viremia.
Advanced Usage
- Primary viremia: The initial spread of virus into the blood from the primary site of infection.
- Secondary viremia: A subsequent, often larger-scale, presence of virus in the blood following replication in major organs.
- The degree or level of viremia is often quantified (e.g., "high-titer viremia," "low-level viremia") as it can correlate with disease severity and transmissibility.
Variants and Related Words
- Viremic (adjective): Relating to or characterized by viremia.
- The viremic phase of the illness lasts approximately five days.
- Bacteremia (noun): The presence of bacteria in the bloodstream (a related concept for bacterial infections).
- Septicemia (noun): A serious, systemic illness caused by bacteria or their toxins in the blood (often used synonymously with "blood poisoning").
Synonyms
- Virus in the blood
- Viral bloodstream infection
Notes on Different Meanings
- "Viremia" has a single, specific medical meaning. It is not used in general or figurative language.
Noun
- the presence of a virus in the blood stream
- viremia spread the smallpox virus to the internal organs