CCTA to Optimize the Diagnostic Yield of Invasive Angiography

Exclusion Criteria

• •1. Age \<18 years old, Men \>65 years old or women \>75 years old
• •2. Patient refusal to provide verbal consent for CCTA at time of triage contact or unable to provide informed consent
• •3. Referring physician refusal for their eligible patients to be approached for the CarDIA study
• •4. Any prior CCTA
• •5. Atrial Fibrillation
• •6. Creatinine \> 150 mmol/L
• •7. Diabetes mellitus
• •8. High risk Exercise Stress Test or Functional Imaging
• •9. Known severe valvular disease being considered for valve surgery
• •10. Any known CAD
• •* Prior Acute Coronary Syndrome (ACS)
• •* Prior Percutaneous Coronary Intervention (PCI) or Coronary Artery Bypass Graft (CABG)