See Also: vitamin C test(medicine)
vitamin B12 absorption test(medicine)
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vitamin d2(medicine)
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vitamin K4(medicine)
vitamin K3(medicine)
vitamin K2(35)(medicine)

vitamin C test (medicine)


vitamin C test -->
capillary fragility test


A tourniquet test used to determine presence of vitamin C deficiency or thrombocytopenia; a circle 2.5 cm in diameter, the upper edge of which is 4 cm below the crease of the elbow, is drawn on the inner aspect of the forearm, pressure midway between the systolic and diastolic blood pressure is applied above the elbow for 15 minutes, and a count of petechiae within the circle is made: 10, normal; 10 to 20, marginal zone; over 20, abnormal.

See: Rumpel-Leede test.

Synonym: capillary resistance test, vitamin C test.