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Skeletal muscle ventricle aortic counterpulsation: function during chronic heart failure  Bhavik G Patel, MD, Sachin H Shah, MD, Lou I Astra, MD, Robert.

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Presentation on theme: "Skeletal muscle ventricle aortic counterpulsation: function during chronic heart failure  Bhavik G Patel, MD, Sachin H Shah, MD, Lou I Astra, MD, Robert."— Presentation transcript:

1 Skeletal muscle ventricle aortic counterpulsation: function during chronic heart failure 
Bhavik G Patel, MD, Sachin H Shah, MD, Lou I Astra, MD, Robert L Hammond, PhD, Zulfikar A Sharif, MD, Phillip J McDonald, Larry W Stephenson, MD  The Annals of Thoracic Surgery  Volume 73, Issue 2, Pages (February 2002) DOI: /S (01)

2 Fig 1 The skeletal muscle ventricle (SMV) aortic counterpulsator model. (ECG = electrocardiogram; PTFE = polytetrafluoroethylene.) The Annals of Thoracic Surgery  , DOI: ( /S (01) )

3 Fig. 2 Electrocardiographic (ECG), aortic pressure, and aortic root flow tracings from a typical dog after 7 weeks of rapid ventricular pacing). Conventional timing (A), and delayed contraction (B). Note the decrease in pre-systolic pressure, however with no effect on aortic root flow with the conventional timing. The Annals of Thoracic Surgery  , DOI: ( /S (01) )

4 Fig 3 Electrocardiographic (ECG) and coronary blood flow (from the left anterior descending artery) tracings in a dog after 7 weeks of rapid ventricular pacing. Conventional timing (A), and delayed contraction (B). Note the reversal of coronary blood flow with the conventional timing (arrow). The Annals of Thoracic Surgery  , DOI: ( /S (01) )

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