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What is the role of the aorta in determining coronary blood flow?
  1. Justin E Davies (justindavies{at}heart123.com)
  1. International Centre for Circulatory Health, St Mary's Hospital & Imperial College London, United Kingdom
    1. Kim H Parker (k.parker{at}ic.ac.uk)
    1. Imperial College London, United Kingdom
      1. Darrel P Francis (d.francis{at}ic.ac.uk)
      1. International Centre for Circulatory Health, St Mary's Hospital & Imperial College London, United Kingdom
        1. Alun D Hughes (a.hughes{at}ic.ac.uk)
        1. International Centre for Circulatory Health, St Mary's Hospital & Imperial College London, United Kingdom
          1. Jamil Mayet (j.mayet{at}imperial.ac.uk)
          1. International Centre for Circulatory Health, St Mary's Hospital & Imperial College London, United Kingdom

            Abstract

            Paradoxically the heart, which is solely dedicated to supplying blood to the organs, restricts its own blood supply during peak contraction (Figure 1). To overcome this restriction, the heart has numerous mechanisms which delicately balance the blood flow demands of the systemic and coronary circulation.

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