What is the role of Doppler ultrasonography in the workup of antithrombin III (ATIII) deficiency?

Updated: Mar 04, 2020
  • Author: James L Harper, MD; Chief Editor: Hassan M Yaish, MD  more...
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Doppler ultrasonography of the affected extremity with compression should be performed at diagnosis and then used in follow-up to determine resolution of an acute thrombus. Venography or MR angiography may be needed for upper extremity thrombi.

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