FFR and iFR in Coronary Artery Disease

A set of 35 flashcards covering key concepts related to FFR, iFR, CAD, and their clinical implications for patient management.

What does FFR stand for?

Fractional Flow Reserve

What does iFR stand for?

Instantaneous Wave-Free Ratio

What is the primary purpose of FFR and iFR?

To assess the severity of coronary artery stenosis.

The state of increased coronary blood flow in periods of increased myocardial oxygen demand is known as what

What is coronary hyperemia?

Which substances are used to induce coronary hyperemia?

Adenosine and Papaverine.

What are the major risk factors for coronary artery disease (CAD)?

Sedentary lifestyle, advanced age, smoking, hypertension, diabetes mellitus, obesity, family history, and hyperlipidemia.

What is the cut-point value for FFR?

0.89

What is the cut-point value for iFR?

0.80

How does FFR differ from iFR?

FFR requires hyperemia, while iFR does not.

What is the importance of zeroing the pressure wire? using what principle

To ensure accurate pressure measurements.

pascals principle

pshyiological hyperemia occurs **** (natural /unnatural) during***** *****

occurs naturally during physical activity or stress.

To artificially induce vasodilation and increase blood flow for measurement purposes is what kind of hyperemia

What is the purpose of pharmacological hyperemia?

What does MVO2 stand for

Myocardial oxygen supply

3⃣ Coronary perfusion pressure is largely determined by _____ blood pressure.

diastolic

what are the 3 determinants (factors that contribute to) myocardial oxygen supply