Which physical findings are characteristic of factor X deficiency?

Updated: Feb 18, 2020
  • Author: Robert A Schwartz, MD, MPH; Chief Editor: Perumal Thiagarajan, MD  more...
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The physical examination of a patient with factor X deficiency may reveal petechiae, ecchymoses, or both, which commonly develop in areas of minor trauma. Ambulatory patients may have petechiae or ecchymoses in the ankle area, whereas bedridden patients may have them on the back. Petechiae may develop following blood pressure measurements in the area beneath the cuff. Additionally, patients may ooze from venipuncture sites. Patients with active hemorrhage may also be seen in emergency departments.

Central nervous system hematomas may occur in infants and children, including bilateral chronic subdural hematoma. [46]

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