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WorksheetsCoronary Physiology Quiz
Total questions: 10
Worksheet time: 5mins
How to check for 'drift' in coronary physiology measurement?
After the measurement, pull wire back to the aortic guiding catheter
Check Pd/Pa ratio is still 1.00 (0.98-1.02 acceptable)
Check aortic pressure trace
Never act on decision before drift check
All of the above
NHPR class 1 in ESC guidelines for the diagnosis and management of chronic coronary syndromes 2024 is :
DFR
FFR
RFR
iFR
Pd/Pa
Fractional flow reserve (FFR) is :
the ratio of pressure distal to a stenotic lesion to normal pressure in the same vessel
Maximum achievable blood flow in stenotic coronary artery multiplied by Maximum blood flow in the same artery without stenosis
Ratio of maximum coronary blood flow to resting coronary blood flow
Minimum achievable blood flow in stenotic coronary artery divided by minimum blood flow in the same artery without stenosis
Maximum achievable blood flow in stenotic coronary artery divided by Maximum blood flow in the same artery without stenosis
Inoca diagnosis if there is no obstructive epicardial disease and …
FFR .< 0.80 or NHPR > 0.89
FFR < 0.80 and NHPR < 0.89
FFR > 0.80 or NHPR > 0.89
FFR > 0.80 and NHPR > 0.89
None of all above
A 62-year-old male underwent an elective coronary angiogram. An FFR was performed on a lesion in his LAD. The FFR mean value was 0.85 in the LAD vessel following IC injection of 200 microgramms adenosine. What does this FFR result signify?
adenosine dose was insufficient
non-viable myocardium
non-flow limiting stenosis of the coronary artery
the coronary vessel should be stented
the coronary vessel should undergo bypass grafting
Which type of coronary lesion will be more beneficial to undergo PCI?
Long and diffuse lesion
Focal coronary lesion
Heavily calcified coronary lesion
Serial coronary lesion
All of the above
Two clinical trials that shown non-inferiority of iFR compare to FFR are :
FAME-1 & FAME-2
iFR SWEDEHEART & DEFINE-FLAIR
DEFER & FAME-1
DEFER & FAME-2
iFR SWEDEHEART & DEFER
What is the goal of giving Nitrate before measuring intracoronary iFR?
To decrease aortic pressure
To prevent epicardial spasm
To achieve maximum vessel hyperemia
To prevent slow coronary blood flow
None of the above
Causes of low post-PCI FFR, except :
Diffuse lesion
Focal lesion
Stent under expansion
Serial lesion
None of the above
Statement below are true regarding coronary physiology measurement, except :
Removing needle introducer before measuring iFR value is a must
When 'equalizing or normalizing', pressure wire should be placed inside the guide catheter
Never use guide catheter with a side hole
Adenosine dose for RCA is 100 mcg
