Hemophilia A laboratory findings: Difference between revisions
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Created page with "__NOTOC__ {{Hemophilia A}} {{CMG}} ==Overview== ==Laboratory Findings== The diagnosis may be suspected as coagulation testing reveals an increased [[partial thromboplastin ti..." |
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==Laboratory Findings== | ==Laboratory Findings== | ||
The diagnosis may be suspected as coagulation testing reveals an increased [[partial thromboplastin time|PTT]] in the context of a normal [[prothrombin time|PT]] and [[bleeding time]]. The diagnosis is made in the presence of very low (<10 IU) levels of factor VIII. | The diagnosis may be suspected as coagulation testing reveals an increased [[partial thromboplastin time|PTT]] in the context of a normal [[prothrombin time|PT]] and [[bleeding time]]. The diagnosis is made in the presence of very low (<10 IU) levels of factor VIII. | ||
A very small minority of patients has [[antibodies]] against factor VIII that impair its functioning. Management of these patients is more complicated. | |||
==References== | ==References== |
Revision as of 15:13, 21 September 2012
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]
Overview
Laboratory Findings
The diagnosis may be suspected as coagulation testing reveals an increased PTT in the context of a normal PT and bleeding time. The diagnosis is made in the presence of very low (<10 IU) levels of factor VIII. A very small minority of patients has antibodies against factor VIII that impair its functioning. Management of these patients is more complicated.