How to make a spot iFR measurement in the distal coronary artery

↳ This is a section part of Moment: DEFINE-PCI Study Training Tools - Physiological Measurements with MCQ (for Investigators)

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Summary

An illustration of how to make a spot iFR measurement in the distal coronary artery

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Target Audience

  • DEFINE-PCI investigators
  • Interventional Cardiologists 
  • Healthcare professions 

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Learning Objectives

  • Learn the measurement techniques for DEFINE-PCI
  • Making static iFR measurements
  • Making iFR pullback recordings
  • Understanding and troubleshooting physiological measurement pitfalls

Other Components in this Moment

Overview
Ensuring the aortic pressure (Pa) has been zeroed
Aortic pressure trace
Preparation of the Verrata pressure wire prior to making physiological measurements
Administration of intracoronary nitrates prior to wire insertion
Shaping the straight-tipped Verrata wire prior to insertion
Insertion of the Verrata wire, and then removing the needle introducer
How to perform normalisation
How to advance the Verrata wire distally before making measurements
How to make a spot iFR measurement in the distal coronary artery
Examples of how to perform an iFR pullback assessment
How to check and document pressure wire drift at the end of an assessment
Summary
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