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To assist in the diagnosis of bleeding disorders.
There are no food, fluid, activity, or medication restrictions unless by medical direction.
(Method: Macroscopic observation of sample) A normal clot, gently separated from the side of the test tube and incubated at 37°C, shrinks to about half of its original size within 1 hr. The result is a firm, cylindrical fibrin clot that contains red blood cells and is sharply demarcated from the clear serum. Complete clot retraction can take 6 to 24 hr.
Critical Findings and Potential Interventions