Capillary Fragility Test Flashcards
also called the tourniquet test
capillary fragility test
_____ is a clinical diagnostic method used to assess the fragility of the capillary walls.
capillary fragility test
it measures platelet’s ability to maintain capillary integrity.
capillary fragility test
The degree of _______ will correlate with the test, as with the bleeding time. In normal patients, none to very few
thrombocytopenia
positive test results in CFT
thrombocytopenia
decreased fibrinogen
vascular purpura
The capillary or resistance test can be done using the following methods:
- Rumpel-Leede / Hess test positive pressure technique / Tourniquet test
- Suction Cup / Petechiometer Method / Negative Pressure Technique
Appearance of few petechiae after the test indicates a positive test which indicates weakness of the capillary walls or capillary permeability and fragility.
tourniquet test
materials used in tourniquet test
sphygmomanometer
timer
pressure used in tourniquet test and for how many minutes?
80mmHg for 8 minutes
Manner of Reporting:
1+ = _____
1-10
Manner of Reporting:
2+ = _____
11-20
Manner of Reporting:
3+ = _____
21-50
Manner of Reporting:
4+ = _____
50 and above
reference range for tourniquet test
1-10 petechiae
Employs the use of a suction cup. The cup is applied to the outer surface of the arm for a period of one minute at 200 mmHg and the resistance of the capillaries is expressed as the negative pressure required to produce a macroscopic petechiae.
suction cup technique
