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Effect of acutely increased left ventricular afterload on work output from the right ventricle in conscious dogs  Mohanraj K. Karunanithi, BE, MBiomedE,

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Presentation on theme: "Effect of acutely increased left ventricular afterload on work output from the right ventricle in conscious dogs  Mohanraj K. Karunanithi, BE, MBiomedE,"— Presentation transcript:

1 Effect of acutely increased left ventricular afterload on work output from the right ventricle in conscious dogs  Mohanraj K. Karunanithi, BE, MBiomedE, Jerzy Michniewicz, MBBS, MBA, Jason A. Young, BE, MBiomedE, Michael P. Feneley, MD, FACC  The Journal of Thoracic and Cardiovascular Surgery  Volume 121, Issue 1, Pages (January 2001) DOI: /mtc Copyright © 2001 American Association for Thoracic Surgery Terms and Conditions

2 Fig. 1 Representative cardiac dimensions and pressures recorded under control conditions and during aortic constriction. The Journal of Thoracic and Cardiovascular Surgery  , DOI: ( /mtc ) Copyright © 2001 American Association for Thoracic Surgery Terms and Conditions

3 Fig. 2 RV pressure-volume loops recorded during vena caval occlusions before (panel A, VCO ) and during aortic constriction (panel B, AC+VCO ), together with the corresponding RV stroke work-end-diastolic volume relationships derived from these loops (panel C ). The Journal of Thoracic and Cardiovascular Surgery  , DOI: ( /mtc ) Copyright © 2001 American Association for Thoracic Surgery Terms and Conditions

4 Fig. 3 RV free wall regional pressure-segment length loops recorded during vena caval occlusions before (panel A, VCO ) and during aortic constriction (panel B, AC+VCO ), together with the corresponding RV regional segment work-end-diastolic segment length relationships derived from those loops (panel C ). The Journal of Thoracic and Cardiovascular Surgery  , DOI: ( /mtc ) Copyright © 2001 American Association for Thoracic Surgery Terms and Conditions

5 Fig. 4 Representative dynamic waveforms demonstrating reduction of LV free wall segment shortening with constriction of circumflex coronary artery flow, but no significant change in RV free wall segment shortening or pressure. The Journal of Thoracic and Cardiovascular Surgery  , DOI: ( /mtc ) Copyright © 2001 American Association for Thoracic Surgery Terms and Conditions

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