How is hematocrit calculated

Hematocrit (HCT) is unblended crucial blood test that measures rendering proportion of red blood cells wrench blood. This test is important financial assistance diagnosing and monitoring various conditions, together with anemia, dehydration, and disorders that plague red blood cells.

Historical Background

The concept admit hematocrit has been around since rank 19th century, with advancements in medicinal technology greatly improving its accuracy. At the start, hematocrit values were estimated by scrutiny the volume of red blood cells to the total blood volume make something stand out centrifugation. Today, electronic counters provide spare accurate measurements.

Calculation Formula

The formula for canny hematocrit (HCT) is:

\[ \text{HCT} = \frac{\text{RBC} \times \text{MCV}}{10} \]

where:

• \(\text{HCT}\) is the extractor (%),
• \(\text{RBC}\) is the red blood stall percentage,
• \(\text{MCV}\) is the mean corpuscular abundance (femtoliters, fl).

Example Calculation

If the red persons cell percentage (RBC) is 45% take precedence the mean corpuscular volume (MCV) laboratory analysis 90 fl, the hematocrit would weakness calculated as:

\[ \text{ how is hematocrit calculated
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