ADVISE II - Appendix Inclusion criteria - Patient must be > 18 and < 85 years of age - Willing to participate and able to understand, read and sign the informed consent document before the planned procedure - Eligible for coronary angiography and/or percutaneous coronary intervention - Coronary artery disease with at least 1 or more visually assessed coronary stenoses (>40% diameter stenosis) in native major epicardial vessel or its branches by coronary angiogram. - Stable angina or acute coronary syndromes (non-culprit vessels only and outside of primary intervention during acute myocardial infarction)  Exclusion Criteria - Known contraindication to adenosine administration - Implanted temporary or permanent artificial pacemakers, Left Bundle Branch Block (LBBB), - 1st and 2nd degree AV Block - STEMI or non STEMI within 48 hours of procedure - Any contraindications for FFR interrogation or percutaneous coronary intervention (PCI) as determined by the investigator - Severe vessel tortuosity and/or severe calcification by angiogram - Significant valvular pathology (moderate or severe AS/AR/MS/MR) - Previous Coronary Artery Bypass surgery with patent grafts to the interrogated vessel - Weight >200kg (441 lbs.) 1 - Hemodynamic instability at the time of intervention (heart rate<50 beats per minute, systolic blood pressure <90mmHg) balloon pump - Significant hepatic disease, renal disease, lung disease (pulmonary chronic pulmonary obstructive disease) and/or malignant disease with unfavorable prognosis or presenting with abnormal serum laboratory values that the physician believes is clinically significant - Contraindication to antithrombotic regimen or anticoagulation therapy - History of or known reaction or sensitivity to contrast agent and is unable to be premedicated - Left main stenosis, tandem stenosis separated by more than 5 mm that require separate pressure guide wire interrogation or PCI (not to be interrogated or treated as a single stenosis), or total occlusions - Known Left ventricular ejection fraction (LVEF) <30% Participating centres and site principal investigators Al-Dorrah Heart Care, Egypt A. Khashaba Allegheny-Singer Research Institute, USA D. Lasorda Amsterdam Medical Center, NL J. Piek Amphia Ziekenhuis, NL M. Meuwissen AtlantiCare Regional Medical Center, USA H. Levite Aurora St. Luke's Medical Center, USA S. Allaqaband Baptist Hospital of Miami/Baptist Cardiac and Vascular Inst, USA J. Roberts Chandler Regional Medical Center G. Nseir Gilbert Medical Center, USA G. Nseir 2 Duke University, USA S. Jones Emory University, USA H. Samady Erasmus Medical Center, NL R. van Geuns Fairview, University of Minn, USA G. Raveendran Forsyth Medical Center, USA R. Preli Geisinger Clinic Danville, USA J. Blankenship Greenville Memorial Hospital, USA J. Baucum UPMC Hamot, USA Q. Orlando Hosp. Clinico San Carlos, Spain J. Escaned Hosp. Univ San Juan, Alicante, Spain R. Palop Hosp. Univ. La Paz, Madrid, Spain R. Moreno Szpitala Uniwersyteckiego w Krakowie, Poland J. Legutko Kerckhoff-Klinik, Germany H. Möllman LLC and North Florida Hospital M. Tulli Liverpool Heart & Chest Hospital NHS, UK R. Stables Mayo Clinic, USA R. Gulati Medical University of South Carolina, USA E. Powers MSWiA Warsawza Woloska, Poland R. Gil Cardiovascular Research of North Florida, USA M. Tulli East Carolina University- Pitt County Memorial Hospital, USA B. Carrabus Polikliniką SP ZOZ we Wrocławiu, Poland K. Reczuch Regions Hospital, USA J. Brechtken Rex Hospital J. Schneider Victoria Heart Institute, Canada A. Della Siega Sentara Cardiovascular Research Institute, USA P. Mahoney Colorado Heart and Vascular, PC- St. Anthony Hospital, USA J. Altman 3 St. John's Hospital, USA G. Mishkel State University of New York, USA A. Jeremias Medisch Spectrum Twente, NL C. von Birgelen University of North Carolina at Chapel Hill, USA P. Kaul Ralph H. Johnson VA Medical Center, USA V. Fernandes Wake Heart Research, LLC, USA J. Schneider Washington University - Barnes Jewish, USA H. Kurz Wellmont Holston Valley Medical Center, USA M. Mayhew Winter Haven Hospital, USA Z. Tai 4