packed cell volume
Học thuậtThân thiện
Definition
- Noun:
- A measurement in hematology: "Packed cell volume" is the proportion of a blood sample that consists of red blood cells after the sample has been centrifuged. It is expressed as a percentage or decimal fraction of the total blood volume.
Usage
- "Packed cell volume" is a technical medical term used primarily in laboratory and clinical settings. It is synonymous with and commonly called the hematocrit.
- It is used to assess the oxygen-carrying capacity of the blood and to diagnose conditions like anemia or polycythemia.
- The term is typically used in written reports, scientific literature, and professional discussions.
Examples
- The patient's packed cell volume was low, indicating anemia.
- The laboratory report listed the packed cell volume as 0.42 L/L.
- Dehydration can cause a falsely elevated packed cell volume.
Advanced Usage
- The term is often abbreviated as PCV in medical charts and lab results.
- It is a key component of a complete blood count (CBC).
Variants and Related Words
- Hematocrit (Hct): The most common synonym for "packed cell volume." The terms are used interchangeably in medicine.
- Erythrocyte volume fraction: A more formal, scientific term with the same meaning.
Synonyms
- Hematocrit
- Hct
- Erythrocyte volume fraction
Related Phrases
- To measure the packed cell volume: To perform the laboratory test.
- The doctor ordered a test to measure the patient's packed cell volume.
- Packed cell volume level: Referring to the numerical result of the test.
- Her packed cell volume level was within the normal range.
Noun
- the ratio of the volume occupied by packed red blood cells to the volume of the whole blood as measured by a hematocrit