Tetralogy of fallot lab studies
Tetralogy of fallot Microchapters |
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]
Overview
Polycythemia may be present in the patient with Tetralogy of Fallot. Thrombocytopenia and coagulation defects may also be present.
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.