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Pediatric Cardiovascular Physiology

  • Albert P. RocchiniEmail author
  • Aaron G. DeWitt
Reference work entry

Abstract

Knowledge of cardiovascular physiology is critical for the perioperative management of all pediatric surgical patients. The purpose of the cardiovascular system is to deliver oxygen to the tissues. Adequate oxygen delivery is determined by oxygen content of the blood and cardiac output. The latter is determined by preload, afterload, contractility, and heart rate. As in adults, these four factors interact with each other in a complex fashion. However, there are specific age-related differences in how changes in these variables affect the performance of the heart of a fetus, neonate, or older child. Perturbations in normal age-related cardiovascular physiology, as is seen patients with unrepaired, repaired, and palliated congenital heart disease, is common in pediatric surgical patients.

Keywords

Preload Contractility Afterload Oxygen transport Heart rate Cardiac output Congenital heart disease Heart failure Cyanosis 

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Copyright information

© Springer-Verlag GmbH Germany, part of Springer Nature 2020

Authors and Affiliations

  1. 1.Department of Pediatric and Communicable DiseasesC.S. Mott Children’s Hospital, Congenital Heart Center, University of MichiganAnn ArborUSA

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