
Tourniquet Test (Capillary Fragility Test of Hess, Rumpel-Leede Test)
Specialty: | Hematology Oncology Clinical Laboratory |
Objective: | |
ICD-10: | |
Description: | The tourniquet test can be used to evaluate a patient's tendency to form petechiae due to defects in platelets and/or capillaries. The presence of increased venous pressure in a patient with thrombocytopenia or capillary fragility will increase the capillary pressure and result in petechiae. |
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