USMLE Forum Archives - USMLE Step 2 CK - med
med
bingousmle - 06-20-09 02:28
A 76-year-old man presents to an urgent care clinic with pain in his left leg for 4 days. He also describes swelling in his left ankle, which has made it difficult for him to ambulate. He is an active smoker and has a medical history remarkable for gastroesophageal reflux
disease, prior deep venous thrombosis (DVT) 9 months ago that resolved, and well- controlled hypertension. Physical examination is revealing for 2+ edema in his left ankle. A D-dimer is ordered and is elevated. Which of the following makes D-dimer less predictive of
DVT in this patient?
bingousmle - 06-20-09 02:28
A 76-year-old man presents to an urgent care clinic with pain in his left leg for 4 days. He also describes swelling in his left ankle, which has made it difficult for him to ambulate. He is an active smoker and has a medical history remarkable for gastroesophageal reflux
disease, prior deep venous thrombosis (DVT) 9 months ago that resolved, and well- controlled hypertension. Physical examination is revealing for 2+ edema in his left ankle. A D-dimer is ordered and is elevated. Which of the following makes D-dimer less predictive of
DVT in this patient?
The correct answer and explanation will be available after you answer.
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#8
Re: med zoah2005 - 10-23-09 12:41 
posted by zoah2005 on 10-23-09 12:40
[ANSWER b]
[ANSWER b]
explanation plz ?
#44
Re: med babbu5508 - 10-22-10 15:17 My answer is: b.
b. homan sign negative......in deep venous thrombosis, usually the homan's sign is positive with pain in the calf
#51
Re: med sudha2015 - 03-28-11 00:29 He is an active smoker and has a medical history remarkable for gastroesophageal reflux
disease, prior deep venous thrombosis (DVT) 9 months ago that resolved, and well- controlled hypertension. Physical examination is revealing for 2+ edema in his left ankle. A D-dimer is ordered and is elevated. Which of the following makes D-dimer less predictive of
DVT in this patient?
a. age>70
#52
Re: med babbu5508 - 03-31-11 21:44 False positive readings of d-dimers can be due to various causes: liver disease, high rheumatoid factor, inflammation, malignancy, trauma, pregnancy, recent surgery as well as advanced age
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