II. Indications

  1. Deep Vein Thrombosis
  2. Suspected Pulmonary Embolism
    1. Moderate PE Probability with negative CT Angiography, positive D-Dimer and negative Compression Ultrasonography
    2. DVT responsible for up to 90% of pulmonary emboli

III. Technique

  1. Thigh cuff inflated and change in calf Blood Volume measured

IV. Efficacy: DVT Diagnosis

V. Interpretation

  1. Deep Vein Thrombosis
  2. False positives
    1. Venous Insufficiency
    2. Congestive Heart Failure
    3. Peripheral artery disease

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Ontology: Plethysmography, Impedance (C0032222)

Definition (MSH) Recording changes in electrical impedance between electrodes placed on opposite sides of a part of the body, as a measure of volume changes in the path of the current. (Stedman, 25th ed)
Concepts Diagnostic Procedure (T060)
MSH D010992
SnomedCT 252456007
English Impedance Plethysmographies, Impedance Plethysmography, Plethysmographies, Impedance, Plethysmography, Impedance, Rheographies, Rheography, PLETHYSMOGR IMPEDANCE, IMPEDANCE PLETHYSMOGR, RHEOGR, impedance plethysmography, Impedance plethysmography, Impedance plethysmography (procedure)
Swedish Impedanspletysmografi
Czech reografie, pletyzmografie impedanční
Finnish Impedanssipletysmografia
Russian REOGRAFIIA, PLETIZMOGRAFIIA IMPEDANSNAIA, ПЛЕТИЗМОГРАФИЯ ИМПЕДАНСНАЯ, РЕОГРАФИЯ
Japanese インピーダンス・プレチスモグラフィ, インピーダンス・プレチスモグラフィー, インピーダンスプレチスモグラフィー, インピーダンス体積変動記録法, インピーダンスプレチスモグラフィ, レオグラフィー, プレチスモグラフィー-インピーダンス, レオグラフィ, 体積変動記録法-インピーダンス
French Pléthysmographie d'impédance, Rhéographie, Pléthysmographie par impédance
Italian Reografia, Pletismografia a impedenza
Croatian PLETIZMOGRAFIJA, IMPEDANSNA
Polish Wielkość przepływu krwi, Pletyzmografia oporowa
Norwegian Rheografi, Reografi, Impedanspletysmografi
Portuguese Fluxografia, Pletismografia de Impedância, Reografia
Spanish pletismografía de impedancia (procedimiento), pletismografía de impedancia, Reografía, Pletismografía de Impedancia
German Plethysmographie, Impedanz-, Rheographie
Dutch Impedantieplethysmografie, Plethysmografie, impedantie-, Reografie