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Assessment of preload

  • V. Piriou
  • B. Gostoli
  • D. Jacques
Conference paper

Abstract

Preload is the “load before the heart”. It is determined by the venous retum and is entirely dependent on intravascular volemia. Preload is measured during the end-diastole; it is defined as “the force acting to stretch the left ventricular fibers at the end of diastole and to determine the maximal resting lengths of the sarcomeres”. Frank Starling relationship is based on preload: when the ventricles fill to higher atrial pressures, ventricular volume and strength of contraction increase, resulting in an increase in stroke volume, until reaching a plateau.

Keywords

Pulmonary Capillary Wedge Pressure Fluid Responsiveness Stroke Volume Variation Fluid Challenge Mitral Inflow 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer-Verlag Italia 2003

Authors and Affiliations

  • V. Piriou
  • B. Gostoli
  • D. Jacques

There are no affiliations available

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