An Introduction to iFR: Concepts, Principals, and Limitations - Dr. Justin Davies
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Summary
Dr Justin Davies, Consultant Cardiologist, Imperial College London, UK
Dr Justin Davies introduces iFR (Instantaneous Wave-free Ratio), and discuses the concepts, principals and limitations....
Read MoreSummary
Dr Justin Davies, Consultant Cardiologist, Imperial College London, UK
Dr Justin Davies introduces iFR (Instantaneous Wave-free Ratio), and discuses the concepts, principals and limitations.
Key learning points:-
- 1. Diastole provides the most sensitive phase of the cardiac cycle to identify stenosis severity
- 2. Pressure is proportional to flow when resistance is stable
- 3. In FFR resistance is stabilised using powerful vasodilator such as adenosine
- 4. In iFR resistance is stabilised by analysing the cardiac cycle over the diastolic Wave-free Period, without the need for drug administration
- 5. Pharmacological hyperaemia differs markedly from exercise induced hyperaemia
- 6. iFR provides a direct measure of the vasodilatory effect on the coronary microcirculation
About Simple Education
Simple Education, is a leading provider of coronary physiology and intracoronary imaging courses to aid treatment of complex coronary artery disease.
Speakers
Dr Justin Davies is founder and CEO of Wondr Medical, inventor of IFR, and clinical academic and consultant...
Dr Justin Davies is founder and CEO of Wondr Medical, inventor of IFR, and clinical academic and consultant interventional cardiologist at the National Heart and Lung Institute, Imperial College London.
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