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Kaplan Qbank USMLE



Author7 Posts
  #1

In the preoperative evaluation of a person for a possible bleeding tendency the MOST IMPORTANT of the following is
(A) clotting time.
(B) bleeding time.
(C) clinical history.
(D) prothrombin time of Internaional Normalised Ratio (INR).
(E) partial thromboplastin time.



  #2

I dont know shocked

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original mazinger z

  #3

A good clinical history is always the best pre op evaluation tool. because just from the beginning you can make a differential and send the most adecuate labs.


some surgeons choose: pt, ptt, and bleeding time (together), but iīve never seen any of them alone in a lab report...


(a) oh my...
(b) you can miss a liver disease
(c) my best option
(d) you can miss a hemophilia
(e) PTT alone?, tells you nothing.


my choice (c).


  #4

i'm going on a hunch...bleeding time. Many a times history might not reveal much coz the patient wud hv lead a very safe life until this operation, so to speak.

  #5

but CH stuff like.

easy bruisability (+)

bleeding gums (+)


OB GYN Hx: repeated first trimester abortions....


by doing a bleeding time you rule out a bleeding predisposition, but not a hypercoagulable state..., letīs say C and S protein deficiency...


If Hx concludes: HEALTHIER PERSON IN THE WORLD. THE MAJORITY OF HOSPITALS REQUIRE AT LEAST: pt and ptt.

  #6

Iīd pick: clinical history.


CH has shown being more sensitive than any other LAB. thatīs why the first step in a regular consutation is clinical history, and of course physical exam.



  #7

even i wld go with clinical history,it gives in, the initial clue to help with further mx







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