Indications against CCTA

CT Coronary Angiography is not appropriate for:

Initial evaluation of symptomatic patients suspected of having coronary artery disease. These patients would typically still require and should be referred for a standard coronary angiogram.

Patients meeting any of the following the criteria should be discussed with a cardiologist prior to referral:

• Impaired renal function
• Allergy to intravenous contrast
• Irregular or rapid heart rates
• Known coronary artery disease (including previous bypass grafting, angioplasty or stenting) or extensive coronary calcification (older males with significant risk factors)
• Any patient less than 40 years of age