Thrombocytopenia overview: Difference between revisions
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Generally speaking a normal platelet count ranges from 150,000 and 450,000 per mm<sup>3</sup>. These limits, however, are determined by the 2.5th lower and upper [[percentile]], and a deviation does not necessarily imply any form of disease. The number of platelets in a blood sample also decreases quickly with time and a low platelet count may be caused by a delay between sampling and analysis. | Generally speaking a normal platelet count ranges from 150,000 and 450,000 per mm<sup>3</sup>. These limits, however, are determined by the 2.5th lower and upper [[percentile]], and a deviation does not necessarily imply any form of disease. The number of platelets in a blood sample also decreases quickly with time and a low platelet count may be caused by a delay between sampling and analysis. | ||
==Historical Perspective== | |||
==Classification== | |||
==Pathophysiology== | |||
==Causes== | |||
==Differentiating [Disease] from Other Diseases== | |||
==Epidemiology and Demographics== | |||
==Risk Factors== | |||
==Screening== | |||
==Natural History, Complications, and Prognosis== | |||
===Natural History=== | |||
===Complications=== | |||
===Prognosis=== | |||
==Diagnosis== | |||
===Diagnostic Criteria=== | |||
===History and Symptoms=== | |||
===Physical Examination=== | |||
===Laboratory Findings=== | |||
===Imaging Findings=== | |||
===Other Diagnostic Studies=== | |||
==Treatment== | |||
===Medical Therapy=== | |||
===Surgery=== | |||
===Prevention=== | |||
==References== | ==References== | ||
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[[Category:Hematology]] | |||
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Revision as of 20:28, 17 June 2016
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]
Overview
Thrombocytopenia (or -paenia, or thrombopenia in short) is the presence of relatively few platelets in blood.
Generally speaking a normal platelet count ranges from 150,000 and 450,000 per mm3. These limits, however, are determined by the 2.5th lower and upper percentile, and a deviation does not necessarily imply any form of disease. The number of platelets in a blood sample also decreases quickly with time and a low platelet count may be caused by a delay between sampling and analysis.