What is the measurement of IMR? A Guide to the Index of Microcirculatory Resistance
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5 min read
According to a study published in *Circulation: Cardiovascular Interventions*, the Index of Microcirculatory Resistance (IMR) provides a reproducible and independent assessment of coronary microcirculation. This invasive diagnostic tool is essential for accurately evaluating heart health. So, **what is the measurement of IMR**, and what role does it play in modern cardiology?