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Hjerterespons på β-adrenergisk stimulation bestemt af trykvolumen loop analyse
JoVE Journal
Medicine
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JoVE Journal Medicine
Cardiac Response to β-Adrenergic Stimulation Determined by Pressure-Volume Loop Analysis
DOI:

08:05 min

May 19, 2021

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Chapters

  • 00:04Introduction
  • 00:42Femoral Cannulation
  • 01:51Thoracotomy
  • 02:58Pressure Volume Loop (PVL) Measurement
  • 04:15PVL Parallel-Conductance Calibration
  • 04:54PVL Conductance-to-Volume Calibration
  • 05:32Results: Representative PVL Analysis
  • 07:11Conclusion

Summary

Automatic Translation

Her beskriver vi en hjertetryksvolumen loop analyse under stigende doser af intravenøst infunderes isoproterenol at bestemme den iboende hjertefunktion og β-adrenergic reserve i mus. Vi bruger en modificeret åben brysttilgang til trykvolumensløjfemålingerne, hvor vi inkluderer ventilation med positivt endeudløbstryk.

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