Bleeding time. Definition

Medical Definition: bleeding time

Hemostasis test (guidance) for the diagnosis of bleeding disorders. There are two methods, the Duke and the Ivy, the latter being more accurate and reproducible. Is performed with an arm cuff at a constant pressure of 40 mmHg, and subsequent incision of an inch long and an inch deep on the anterior forearm. The blood that flows is collected on a filter paper until the bleeding stops. The time of bleeding is usually less than 9.5 minutes. Thrombocytopenia and increases in various thrombocytopathies, which require more specific laboratory tests for proper diagnosis.

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