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Figure 6 | Cardiovascular Ultrasound

Figure 6

From: Pacing stress echocardiography

Figure 6

Time sequence during stress. The FFR can be defined as: upsloping when the peak stress pacing SP/ESV index is higher than baseline and intermediate stress values; biphasic with an initial upsloping followed by a later downsloping trend; and flat or negative when peak stress pacing systolic pressure/end-systolic volume index is equal or lower than baseline stress values.

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