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  2. Blood smear - Wikipedia

    en.wikipedia.org/wiki/Blood_smear

    Thick smears allow the microscopist to screen a larger volume of blood and are about eleven times more sensitive than the thin film, so picking up low levels of infection is easier on the thick film, but the appearance of the parasite is much more distorted and therefore distinguishing between the different species can be much more difficult.

  3. Diagnosis of malaria - Wikipedia

    en.wikipedia.org/wiki/Diagnosis_of_malaria

    The blood is taken in a QBC capillary tube which is coated with acridine orange (a fluorescent dye) and centrifuged; the fluorescing parasites can then be observed under ultraviolet light at the interface between red blood cells and buffy coat. This test is more sensitive than the conventional thick smear, however it is unreliable for the ...

  4. Hyperviscosity syndrome - Wikipedia

    en.wikipedia.org/wiki/Hyperviscosity_syndrome

    Hyperviscosity syndrome is a group of symptoms triggered by an increase in the viscosity of the blood. Symptoms of high blood viscosity include spontaneous bleeding from mucous membranes, visual disturbances due to retinopathy, and neurologic symptoms ranging from headache and vertigo to seizures and coma.

  5. Malaria antigen detection tests - Wikipedia

    en.wikipedia.org/.../Malaria_antigen_detection_tests

    These tests use finger-stick or venous blood, the completed test takes a total of 15–20 minutes, and a laboratory is not needed. The threshold of detection by these rapid diagnostic tests is in the range of 100 parasites/μL of blood compared to 5 by thick film microscopy. [4] [5] [6]

  6. Filariasis - Wikipedia

    en.wikipedia.org/wiki/Filariasis

    Filariasis is usually diagnosed by identifying microfilariae on Giemsa stained, thin and thick blood film smears, using the "gold standard" known as the finger prick test. The finger prick test draws blood from the capillaries of the finger tip; larger veins can be used for blood extraction, but strict windows of the time of day must be ...

  7. Hemorheology - Wikipedia

    en.wikipedia.org/wiki/Hemorheology

    Blood viscosity is a measure of the resistance of blood to flow. It can also be described as the thickness and stickiness of blood. This biophysical property makes it a critical determinant of friction against the vessel walls, the rate of venous return, the work required for the heart to pump blood, and how much oxygen is transported to tissues and organs.

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  9. Buffy coat - Wikipedia

    en.wikipedia.org/wiki/Buffy_coat

    After centrifugation, one can distinguish a layer of clear fluid (the plasma), a layer of red fluid containing erythrocytes, and a thin layer in between.Composing less than 1% of the total volume of the blood sample, the buffy coat (so-called because it is usually buff in hue), contains most of the leukocytes and thrombocytes.

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