Tetralogy of fallot lab studies: Difference between revisions
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===Coagulation Factors=== | ===Coagulation Factors=== | ||
Patients with | Patients with tetralogy of Fallot may have lower than normal coagulation factors, including lower than normal levels of [[fibrinogen]]. The [[prothrombin time]] ([[PT]]) may be prolonged. | ||
==References== | ==References== | ||
{{reflist|2}} | {{reflist|2}} |
Revision as of 20:23, 25 January 2013
Tetralogy of fallot Microchapters |
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Tetralogy of fallot lab studies On the Web |
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]
Overview
Polycythemia and oxygen desaturation may be present in the patient with tetralogy of Fallot. Thrombocytopenia and deficiencies in coagulation factors may also be present.
Laboratory Findings
Oxygen Saturation
The oxygen saturation may be diminished but the pH and pCO2 are normal.
Hematocrit
The hematocrit usually ranges from 65% to 70% in patients with tetralogy of Fallot.
Platelet Count
Patients with tetralogy of Fallot may also have a low platelet count .
Coagulation Factors
Patients with tetralogy of Fallot may have lower than normal coagulation factors, including lower than normal levels of fibrinogen. The prothrombin time (PT) may be prolonged.