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You are on a medical mission providing obstetric anesthesia in a developing
country. The nursery calls you to help evaluate a neonate with excessive bleeding
from his umbilicus 4 days after birth. Of further examination, you note
that the child also has evidence of nosebleeds. Which of the following is the most
likely diagnosis?

a) Medication error

b) Hemophilia A

c) Hemophilia B

d) Sickle cell disease

e) Vitamin K deficiency
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==Answer==
Answer e. Vitamin K deficiency in newborns is common due to the poor transfer
of vitamin K across the placenta and the low availability of vitamin K in breast
milk. While this problem has been largely eliminated in developing countries, in
developing countries vitamin K administration at birth may not occur, leading to
symptomatic vitamin K deficiency.
==Notes==
<references />
:This question originally printed in the [http://www.amazon.com/Justin-L.-Lockman/e/B00FLG5AEE/ref=ntt_dp_epwbk_0 Pediatric Anesthesiology Review Topics] kindle book series, and appears courtesy of Naerthwyn Press, LLC.
==Keywords==
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