Platelet counts are usually done by laboratory machines that also count other blood elements such as the white and red cells. They can also be counted by use of a microscope. Normal platelet counts are in the range of 150,000 to 400,000 per microliter (or 150 - 400 x 109 per liter).
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The expected transfusion effect in an adult patient is a rise of 5000 to. 10,000 in platelet count for each Random Donor unit, or a rise of 30,000 to. 60,000 for each Single Donor pack. Please correlate the patient’s current. platelet count with the expected rise in platelet count when ordering.
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: Platelet products include Random Donor units (Whole. blood-derived Platelets), each prepared by centrifugation from a single unit of. whole blood, and Single Donor packs (Aperesis-derived Platelets), collected from. a single donor by apheresis. Random Donor units may be transfused singly, or.
http://transfusionorders.com/pdf/Platelets.pdf
MANUAL PLATELET COUNT. Principle. Whole blood is diluted with a 1% ammonium oxalate solution. The isotonic balance of the. diluent is such that all erythrocytes are lysed while the leukocytes, platelets, and reticulocytes. remain intact.1,2 The standard dilution for platelet counts is 1:100.
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The standard dilution of blood for platelet counts is 1:100; therefore. the dilution factor is 100. The volume of diluted blood used is based on the area and. depth of the counting area. The area counted is 2 mm2 and the depth is 0.1 mm; therefore. the volume factor is 0.2 mm3 .
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Platelet Count. Definition. A platelet count is a diagnostic test that determines the number of platelets in the patient's blood. Platelets, which are also called thrombocytes, are small disk-shaped blood cells produced in the bone marrow and involved in the process of blood clotting.
http://medical-dictionary.thefreedictionary.com/Platelet+count
Medical Definition of Platelet count. Platelet count: The calculated number of platelets in a volume of blood, usually expressed as platelets per cubic millimeter (cmm) of whole blood. Platelets are the smallest cell-like structures in the blood and are important for blood clotting and plugging damaged blood vessels.
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Definition. 1  A platelet count is a diagnostic test that determines the number of platelets in the patient's blood. Platelets, which are also called thrombocytes, are small disk-shaped blood cells produced in the bone marrow and involved in the process of blood clotting.
http://medical-dictionary.thefreedictionary.com/Platelet+count
15 Responses to WBC counts and units. 1  Whew, very informative. There are things you take for granted and then suddenly you discover you know nothing about it. 2  never thought of such things!!! so basic yet very intriguing!! thank u so much doctor!!! 3  very nice subgect.  In the case of platelets.
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SI Conversion Calculator. Enter the desired value below in the Enter Quantity field and click the button to perform the metric conversion. If you wish to reverse a conversion begin by entering a value in the Conversion Result field and click to obtain the non SI value. Table 1. Conversions to Metric Measures.
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A diagnostic test that determines the number of platelets in the patient's blood.