CATH CMD is a global algorithm that captures the essential details of performing the bolus thermodilution workflow and assists in decision-making in a simple and stepwise manner. In summary, CATH captures the how to perform bolus thermodilution and CMD captures the what to do with the Coronary Flow Reserve (CFR) and Index of Microcirculatory Resistance (IMR) measurements to provide a diagnosis of Coronary Microvascular Dysfunction (CMD).
A comprehensive physiology assessment (with Resting full-cycle Ratio (RFR), Fractional Flow Reserve (FFR), IMR and CFR) of the epicardial arteries and the microvasculature can provide patients with persistent angina an accurate diagnosis to improve outcomes.1
*Repeat measurement of Tmnrest
*Decrease in pressure, patient symptoms, FFR drop
**Repeat measurement of Tmnhyp
GTN (glyceryl trinitrate) | NTG (nitroglycerin) | LAD (left anterior descending) | FFR (fractional flow reserve) | IMRcorr (IMR corrected) | CMD (coronary microvascular dysfunction) | Tmnrest (resting transit mean time) | Tmnhyp (hyperemic transit mean time)
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