Pd/Pa = iFR, like °C = °F


 
 

Pd/Pa

iFR

Single Cutoff1

≤0.91

≤0.89

Hybrid Algorithm2,3

0.88-0.97

0.86-0.93

FDA-Cleared4

Inclusion in Appropriate Use Criteria5,6

SCAI/ACC Reimbursement Recommendation7

Equivalent Correlation to FFR8,9,10,11

Equivalent Correlation to CFR12

Results Integrate into All Major Hemodynamic Systems

X

ECG-free Algorithm Widely Available13

X

Workhorse Pressure Guidewire Available

X

 
 
 

 
 

 

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