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Hemophilia or something else?

Here's an example of what steptaker is talking about

14 yr old boy came with knee joint hemearthrosis and easy bleeding, long history of chronic abdominal pain and diarrhea, short stature, bleeding rectal fissure, PT and PTT high.
labs would show low levels of which of the following
a- factor VIII
b- factor IX
C- factors II, VII, IX, X
d- factors II, V, VII, IX, X
e- von Willebrand factor

Now if you look at the options before reading the question you will immediately start remembering all the bleeding disorders that you memorized by heart
Once you see knee hemarthorsis in the beginning you will put hemophilia in the back of your head and continue reading accordingly
you'll say why not he can have short stature because of the chronic illness and joint deformity
abdominal pain and diarrhea ... nah that's a distractor
high PT PTT that's it they gave me the diagnosis and the you'll happily end up choosing option A :eek:

But if you havn't seen the options before hand you'll have open mind and you'll try to conglomerate all what's at stake and hopefully you'll come up with Chron's Disease as a dx and then you see the options and correctly pick up the vitamin K dependent clotting factors ;)
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