Veterinary General Equipment · Generic
PCV Tube
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A Packed Cell Volume (PCV) tube—also known as a microhematocrit or crit tube—is a narrow glass or plastic capillary tube used to measure the percentage of red blood cells (RBCs) in an animal's whole blood. It is an essential, everyday veterinary diagnostic tool for assessing anemia, dehydration, and blood volume.
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Specs & features.
The tube is a tiny, straw-sized capillary (usually 75 mm long and 1.0–1.2 mm in diameter) that draws a small blood sample via simple capillary action. Once filled, one end is sealed with clay (or putty) and placed into a specialized microhematocrit centrifuge.
No specifications have been listed.
- Packed Red Blood Cells (RBCs): Settle at the bottom of the tube. The percentage of the total blood column occupied by RBCs is read as the PCV.
- Buffy Coat: A thin middle layer made of white blood cells (WBCs) and platelets.
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