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| ==Overview== | | ==Overview== |
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| {{familytree/start |summary=DVT Diagnosis Algorithm.}}
| | [[Image: DVT_diagnosis.jpg]] |
| {{familytree | | | | GMa | GMa=Suspected (Symptomatic) [[DVT|Acute DVT]]}}
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| {{familytree | | | | |!| }}
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| {{familytree | | | | GPa | GPa=[[Deep vein thrombosis ultrasound|Compression Ultrasonography]]}}
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| {{familytree | |,|-|-|+|-|-|-|.| | | }}
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| {{familytree |JOE| |ME| |SIS| | | JOE=Normal|ME=Inconclusive study|SIS=[[DVT]] present}}
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| {{familytree | |!| | | |!| | | |!| }}
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| {{familytree |MOM| | ME | | SIS | | |MOM=[[Deep vein thrombosis ultrasound|Serial Ultrasound]] or [[Deep vein thrombosis other imaging findings|impedance plethysmography]]|ME=[[Venography]] or [[Deep vein thrombosis MRI|MRI]]|SIS=[[Deep vein thrombosis treatment algorithm|Treatment]]}}
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| {{familytree | |!| |,|-|^|-|.| |!| }}
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| {{familytree | |!|GPa| |JOE|'|GPa=Negative for DVT|JOE=DVT present}}
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| {{familytree |,|^|.| |!| | | }}
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| {{familytree |!|SIS |^|-|-|-|.|SIS=DVT Absent}}
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| {{familytree |!| | | | | | |JOE|JOE=No Treatment}}
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| {{familytree |SIS|SIS=DVT present|}}
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| {{familytree | |!| }}
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| {{familytree |MOM | MOM=[[Deep vein thrombosis treatment algorithm|Treatment]]}}
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| {{familytree/end}}
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| ===Considerations===
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| *Positive predictive value for compression ultrasonography is 94 percent (95% CI)
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| *Venography is used only
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| **when noninvasive testing is not clinically feasible
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| **The results are equivocal
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| *A negative D-dimer assay, as a stand-alone test may be insufficient to rule out DVT, especially in patient with a high venous thromboembolism prevalence.
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| ==References== | | ==References== |
| {{reflist|2}} | | {{reflist|2}} |
