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Microhematocrit tubes are read according to PCV (Packed Cell Volume).

After centrifuging the tube, you will need a PCV card reader to determine the amount of packed red blood cells within the sample of blood. The PCV is determined by aligning the top of the clay plug (just as it reaches the layer of red blood cells) on the zero line and then gently "rolling" the tube up the chart until the intersecting middle line is aligned where the packed red cells and Buffy coat meet. Read across the chart and you should have a percentage of red blood cells to record as a PCV.

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Q: How do you read a microhematocrit tube?
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When centrifuging a microhematocrit tube it is important to?

Plug one end with clay


How do you read a microhematocrit?

Microhematocrit tubes are read according to PCV (Packed Cell Volume). After centrifuging the tube, you will need a PCV card reader to determine the amount of packed red blood cells within the sample of blood. The PCV is determined by aligning the top of the clay plug (just as it reaches the layer of red blood cells) on the zero line and then gently "rolling" the tube up the chart until the intersecting middle line is aligned where the packed red cells and Buffy coat meet. Read across the chart and you should have a percentage of red blood cells to record as a PCV.


What are the conditions that affect the microhematocrit value?

The speed and time of the centrifuge directly affect the microhematocrit values. Errors can be caused if it is not spun at the correct speed.


What type of blood is used for microhematocrit test?

capillary blood


What type of blood is used for a microhematocrit test?

For a microhematocrit test, capillary blood, usually obtained from a finger or heel stick, is used. The blood sample is placed into a special capillary tube and spun in a centrifuge to separate the components, allowing for measurement of the packed cell volume (hematocrit).


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What is a normal microhematocrit reading?

NORMAL MICRO HAEMATOCRIT VALUESmales : 0.40 - 0.50females : 0.37 - 0.43child : 0.38 - 0.44infants : 0.35 - 0.40new born : 0.50 - 0.58


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The "normal" PCV count for males is 48% and 38% for women. The count does not vary for changes in body mass.


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