Assessment of Pulmonary Capillary Blood Volume, Membrane Diffusing Capacity, and Intrapulmonary Arteriovenous Anastomoses During Exercise

Vincent Tedjasaputra; Sean van Diepen; Sophie &#201; Collins; Wade M. Michaelchuk; Michael K. Stickland

doi:10.3791/54949

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Assessment of Pulmonary Capillary Blood Volume, Membrane Diffusing Capacity, and Intrapulmonary Arteriovenous Anastomoses During Exercise

JoVE Journal
Medicine

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JoVE Journal Medicine

Assessment of Pulmonary Capillary Blood Volume, Membrane Diffusing Capacity, and Intrapulmonary Arteriovenous Anastomoses During Exercise

12,720 Views

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07:09 min

•

February 20, 2017

DOI:

10.3791/54949-v

DOI:

10.3791/54949-v

•

07:09 min

February 20, 2017

•

6 Views

Vincent Tedjasaputra^1,2, Sean van Diepen³, Sophie É Collins^1,4, Wade M. Michaelchuk^1,2, Michael K. Stickland^1,5

¹Division of Pulmonary Medicine,University of Alberta, ²Faculty of Physical Education and Recreation,University of Alberta, ³Divisions of Critical Care and Cardiology,University of Alberta, ⁴Faculty of Rehabilitation Medicine,University of Alberta, ⁵G.F. MacDonald Centre for Lung Health

Summary

To assess the pulmonary diffusion and vasculature responses to exercise, we describe the multiple-inspired oxygen diffusion capacity technique to determine capillary blood volume and membrane diffusing capacity, as well as agitated saline contrast echocardiography to assess the recruitment of intrapulmonary arteriovenous anastomoses.

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Assessment of Pulmonary Capillary Blood Volume, Membrane Diffusing Capacity, and Intrapulmonary Arteriovenous Anastomoses During Exercise

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