Vitamin K Deficiency Clinical Presentation
- Author: Dieu-Thu Nguyen-Khoa, MD; Chief Editor: George T Griffing, MD more...
History and Physical Examination
History
The clinical manifestations of vitamin K (VK) deficiency are evident only if hypoprothrombinemia is present. Bleeding is the major symptom, especially in response to minor or trivial trauma. Any site can be involved, so manifestations can include mucosal and subcutaneous bleeding, such as epistaxis, hematoma, gastrointestinal bleeding, menorrhagia, hematuria, gum bleeding, and oozing from venipuncture sites. Easy bruisability also is observed.[16]
Physical examination
Ecchymosis, petechiae, hematomas, and oozing of blood at surgical or puncture sites are observed. In infants, some birth defects, such as underdevelopment of the face, nose, bones, and fingers, are linked to a VK-deficient state.
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