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- Impedance_phlebography abstract "Impedance phlebography, or impedance plethysmography (IPG), is a non-invasive medical test that measures small changes in electrical resistance of the chest, calf or other regions of the body. These measurements reflect blood volume changes, and can indirectly indicate the presence or absence of venous thrombosis. This procedure provides an alternative to venography, which is invasive and requires a great deal of skill to execute adequately and interpret accurately.For the chest, the technique was developed by NASA to measure the split second impedance changes within the chest, as the heart beats, to calculate both cardiac output and lung water content. This technique has progressed clinically (often now called BioZ, i.e. biologic impedance, as promoted by the leading manufacturer in the US) and allows low cost, non-invasive estimations of cardiac output and total peripheral resistance, using only 4 skin electrodes, oscillometric blood pressure measurement and lung water volumes with minimal removal of clothing in physician offices having the needed equipment.For leg veins, the test measures blood volume in the lower leg due to temporary venous obstruction. This is accomplished by inflating a pneumatic cuff around the thigh to sufficient pressure to cut off venous flow but not arterial flow, causing the venous blood pressure to rise until it equals the pressure under the cuff. When the cuff is released there is a rapid venous runoff and a prompt return to the resting blood volume. Venous thrombosis will alter the normal response to temporary venous obstruction in a highly characteristic way, causing a delay in emptying of the venous system after the release of the tourniquet. The increase in blood volume after cuff inflation is also usually diminished.".
- Impedance_phlebography wikiPageID "513050".
- Impedance_phlebography wikiPageLength "2317".
- Impedance_phlebography wikiPageOutDegree "13".
- Impedance_phlebography wikiPageRevisionID "595573522".
- Impedance_phlebography wikiPageWikiLink Blood_pressure.
- Impedance_phlebography wikiPageWikiLink Blood_volume.
- Impedance_phlebography wikiPageWikiLink Category:Impedance_measurements.
- Impedance_phlebography wikiPageWikiLink Category:Medical_tests.
- Impedance_phlebography wikiPageWikiLink Category:Radiology.
- Impedance_phlebography wikiPageWikiLink Category:Vascular_procedures.
- Impedance_phlebography wikiPageWikiLink Electrical_resistance_and_conductance.
- Impedance_phlebography wikiPageWikiLink Minimally-invasive_procedures.
- Impedance_phlebography wikiPageWikiLink NASA.
- Impedance_phlebography wikiPageWikiLink Plethysmograph.
- Impedance_phlebography wikiPageWikiLink Tourniquet.
- Impedance_phlebography wikiPageWikiLink Venography.
- Impedance_phlebography wikiPageWikiLink Venous_thrombosis.
- Impedance_phlebography wikiPageWikiLinkText "Impedance phlebography".
- Impedance_phlebography wikiPageWikiLinkText "phlebograph".
- Impedance_phlebography name "Impedance phlebography".
- Impedance_phlebography wikiPageUsesTemplate Template:ICD9proc.
- Impedance_phlebography wikiPageUsesTemplate Template:Infobox_diagnostic.
- Impedance_phlebography wikiPageUsesTemplate Template:Medical_imaging.
- Impedance_phlebography wikiPageUsesTemplate Template:Unreferenced.
- Impedance_phlebography wikiPageUsesTemplate Template:Vascular_surgery_procedures.
- Impedance_phlebography subject Category:Impedance_measurements.
- Impedance_phlebography subject Category:Medical_tests.
- Impedance_phlebography subject Category:Radiology.
- Impedance_phlebography subject Category:Vascular_procedures.
- Impedance_phlebography hypernym Test.
- Impedance_phlebography type Cricketer.
- Impedance_phlebography type Specialty.
- Impedance_phlebography comment "Impedance phlebography, or impedance plethysmography (IPG), is a non-invasive medical test that measures small changes in electrical resistance of the chest, calf or other regions of the body. These measurements reflect blood volume changes, and can indirectly indicate the presence or absence of venous thrombosis.".
- Impedance_phlebography label "Impedance phlebography".
- Impedance_phlebography sameAs Q4393307.
- Impedance_phlebography sameAs تخطيط_الامتلاء_الدموي_بالمعاوقة.
- Impedance_phlebography sameAs Pletismografia_ad_impedenza.
- Impedance_phlebography sameAs m.02k7qn.
- Impedance_phlebography sameAs Реография.
- Impedance_phlebography sameAs Реографія.
- Impedance_phlebography sameAs Q4393307.
- Impedance_phlebography wasDerivedFrom Impedance_phlebography?oldid=595573522.
- Impedance_phlebography isPrimaryTopicOf Impedance_phlebography.