Preparation of the Verrata pressure wire prior to making physiological measurements

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

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Summary

Justin Davies takes us through how to prepare the Verrata pressure wire adequately to ensure excellent physiological measurements in patients.

Learning Points:-

Opening wire packing
Flushing the pressure guide wire
Attaching to the PIM module
Ensure the electrical connection has taken place

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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

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

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