TYK345 - Revision history

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

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__NOTOC__
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 circumcision site 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
<div class="mw-customtoggle-TYK_Answer" style="text-align: right; color:#0000ff">Click for Answer</div>
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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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