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Impedance Plethysmography
Aka: Impedance Plethysmography
- See Also
- Compression Ultrasonography
- 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
- Technique
- Thigh cuff inflated and change in calf Blood Volume measured
- Efficacy: DVT Diagnosis
- Test Sensitivity: 91%
- Test Specificity: 96%
- Interpretation
- Deep Vein Thrombosis
- False Positives
- Venous Insufficiency
- Congestive Heart Failure
- Peripheral artery disease