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MPV Blood Test: Calculation, High and Low MPV Value, Results

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What is MPV in Blood Test?

The MPV (Mean Platelet Volume) test is used to assess the average size of platelets in a blood sample.

  • Platelets are vital blood cells that are in charge of blood clotting, a process which regulates blood loss after an injury.
  • The mean platelet volume (MPV) is a measurement of platelet dimension derived by haematological analyzers based on the volume dispersion throughout a routine blood morphology test.
  • The MPV blood testing is conducted as part of the Complete Blood Count (CBC), which is a thorough blood analysis test.
  • The MPV test is critical since the average size of platelets increases when the body produces a significant number of platelets, allowing for conclusions about platelet creation as well as destruction.
  • The MPV test is not used to diagnose specific disorders; rather, it is used as part of a comprehensive body check-up procedure.
  • The test is similar to the platelet count test, which determines the maximum count of platelets in a blood sample.
  • The outcomes of MPV testing may not be significant on its own, but they should only be interpreted in the context of other CBC tests.
  • The normal MPV varies between 7.5 and 12 fl (femtolitre), with big platelets accounting for 0.2-5.0 percent of the total platelet population.

MPV Value Calculation

  • MPV levels are evaluated as part of the CBC, which is a blood analysis procedure.
  • MPV values are obtained by dividing the total mass of platelets in a blood sample (plateletcrit) by the total number of platelets in the blood sample.
  • In physiological situations, MPV is inversely proportional to platelet count, which is connected with homeostasis as well as the preservation of steady platelet mass.

Interpretation of MPV Blood Test Results

  • In humans, the average or normal value of MPV remains between 7.5 to 12 fl.
  • Abnormally high or low readings may suggest the presence of various diseases or abnormalities in the individual’s body.
  • Further study may be necessary in the case of results with greater or lower MPV values.
  • Abnormal results are not often regarded indicators of serious health problems; but, in some situations, they might be significant, thus they must be ruled out.
  • Based on the inverse link between MPV as well as total platelet count, a decrease in their mean volume is accompanied by an increase in platelet production.
  • The physiological proportion between MPV as well as platelet count is altered in a variety of pathological situations, which aids in the identification of certain of these pathological disorders.
  • A low or high MPV value may be totally normal depending on an individual’s lifestyle. As a result, an interpretation should be made only when all of the CBC tests have been completed.

MPV Blood Test: Calculation, High and Low MPV Value, Results

High MPV value

  • When an MPV value exceeds 12 fl, it is considered higher than normal. This shows that the platelets’ average size is greater than the average.
  • However, the MPV test result cannot be understood in isolation. The entire platelet count should be included.
  • If the MPV number is high but the total platelet count is low, it indicates that the bone marrow is manufacturing platelets quickly.
  • Platelets which are new or young are larger and have recently been released from the bone marrow, whereas older platelets are smaller and circulate through the bloodstream.
  • A higher MPV number may also indicate that older platelets are being destroyed, causing new platelets to be generated in the bone marrow.
  • Because a rise in MPV correlates with platelet activation, it is probable that it is a cause of some forms of cancer which result in platelet activation.
  • Furthermore, a higher MPV number may be symptomatic of various conditions such as heart disease, hypothyroidism, stroke, or high blood pressure.

Low MPV value

  • A low MPV value is defined as one which is less than 7.5 fl. This means that the average size of the platelets is less than normal.
  • Since older platelets are smaller, a low MPV number may suggest that the bone marrow is not creating enough platelets.
  • However, the low value of an MPV on its own is meaningless. As a result, it should always be accompanied by a total platelet count.
  • In some circumstances, low MPV values are reported in chemotherapy patients because they are injected with cytotoxic drugs which produce a drop in platelet count.
  • Furthermore, other disorders such as inflammatory bowel disease and aplastic anaemia could be the cause of this.

Click Here for All Lab Notes

 

  MPV Blood Test Citations

  • https://www.hindawi.com/journals/mi/2019/9213074/
  • https://www.healthline.com/health/mpv-test
  • http://ddxhub.com/1_2_10_mean.htm
  • https://www.researchgate.net/publication/221891888_Are_platelet_indices_of_clinical_use_A_multidisciplinary_review
  • https://www.flashcardmachine.com/values.html
  • https://www.emedicinehealth.com/complete_blood_count_cbc/article_em.htm
  • https://www.answers.com/Q/Which_type_of_blood_cell_helps_in_the_clotting_of_blood
  • https://medlineplus.gov/lab-tests/mpv-blood-test/
  • https://en.islcollective.com/english-esl-worksheets/search/Diagnostic+Test
  • http://njmr.in/uploads/3-2_162-165.pdf
  • http://diseaseslist.org/mpv-blood-test-high-low-normal/

 

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