II. Indications
- Deep Vein Thrombosis
- Suspected Pulmonary Embolism
- Moderate PE Probability with negative CT Angiography, positive D-Dimer and negative Compression Ultrasonography
- DVT responsible for up to 90% of pulmonary emboli
III. Technique
- Thigh cuff inflated and change in calf Blood Volume measured
IV. Efficacy: DVT Diagnosis
- Test Sensitivity: 91%
- Test Specificity: 96%
V. Interpretation
- Deep Vein Thrombosis
-
False Positives
- Venous Insufficiency
- Congestive Heart Failure
- Peripheral artery disease