A hematocrit ( he-MAT-uh-krit ) quiz measures the proportion of red blood cells in your rake. Red blood cells carry oxygen throughout your body. Having besides few or besides many red rake cells can be a sign of sealed diseases .
The hematocrit trial, besides known as a packed-cell volume ( PCV ) test, is a simple blood trial.
Reading: Hematocrit test – Mayo Clinic
Why it’s done
A hematocrit test is region of a complete blood count ( CBC ). Measuring the proportion of bolshevik lineage cells in your rake can help your doctor make a diagnosis or monitor your response to a treatment .
A lower than normal hematocrit can indicate :
- An insufficient supply of healthy red blood cells (anemia)
- A large number of white blood cells due to long-term illness, infection or a white blood cell disorder such as leukemia or lymphoma
- Vitamin or mineral deficiencies
- Recent or long-term blood loss
A higher than normal hematocrit can indicate :
- A disorder, such as polycythemia vera, that causes your body to produce too many red blood cells
- Lung or heart disease
- Iron deficiency anemia
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How you prepare
The hematocrit is a simple lineage test. You wo n’t need to fast before the test or make other preparations .
What you can expect
The blood sample is broadly drawn with a needle from a vein in your sleeve. You may feel some softheartedness at the locate, but you ‘ll be able to resume normal activities subsequently .
Results from your hematocrit test are reported as the share of your rake volume that ‘s composed of bolshevik lineage cells. Normal ranges vary well with raceway, old age and sexual activity. The definition of convention red-blood cell percentage besides varies from one medical practice to another .
by and large, a convention range is considered to be :
- For men, 38.3 to 48.6 percent
- For women, 35.5 to 44.9 percent
For children ages 17 and younger, the normal roll varies by age and sex .
Your hematocrit test provides barely one piece of information about your health. Talk to your sophisticate about what your hematocrit test result means in light of the symptoms you ‘re experiencing and the results of other diagnostic tests.
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Accuracy of test results
A number of factors can affect the result of a hematocrit test and concede inaccurate or misinform results, including :
- Living at a high altitude
- Significant recent blood loss
- Recent blood transfusion
- Severe dehydration
Your sophisticate will take into account possible complicate factors when interpreting the results of your hematocrit quiz. Your doctor may want to repeat the hematocrit test and do early blood tests if results provide conflicting or unexpected information .