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Kaplan Qbank USMLE



Author6 Posts
  #1

How do you differentiate both ?

  #2

Both have problem in platelet adhesion and aggregation.
In Bernard Soulier there is increased BT ,moderate thrombocytopenia and Giant megakaryocytes are present. treatment is difficult and platelet transfuion may be given.
In vWD prolonged BT, PTT, and treated with desmopresin

  #3

vWD Disease:
Deficiency of Von Willebrand Factor. Defect of platelet adhesion
:arrow: Inc. BT
:arrow: Inc. PTT
:arrow: Functional deficiency of Factor VIII

Bernard Soulier:
Defect of Platelet adhesion
:arrow: Normal platelet count but inc.BT
:arrow: large platelets
:arrow: There is lack of platelets surface glycoprotein GPIb-IX

  #4

good job..thanks to both

  #5

we differentiate both by the fact..BT...bernaud soulier improves with platlet transfusion....(normal platlet replacement)...while VWF will not improve

  #6

yep vWD will improve with cryopreciptitate.....


.....HCV most commonly trasferred via cryopptate.







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