Calculation of the calcium score

The calculation of the calcium score or calcium scoring of the coronary arteries is a non-invasive method that seeks to quantify calcified plaque deposits in the coronary arteries. This examination uses a CT-scan coupled with ECG recording and sophisticated software to measure the amount of calcium accumulated in the patient’s coronary arteries.

The calculation of the calcium score does not require an injection of a dye. The calcium score is proportional to the size and density of the calcified plaques present in the coronary arteries. The higher the score, the higher the risk of suffering a significant heart attack leading to death. Information obtained by calculating the calcium score is added to the known patient risk factors, allowing the physician to target the type of treatment to minimize the risk of a heart attack.

The calculation of the calcium score not only detects the presence of calcified plaque in your coronary arteries, but also evaluates the amount (mild, moderate or severe) based on your age. Medical studies have already shown a direct correlation between the presence of calcified plaques in the coronary arteries and the risk of coronary heart disease, whether cardiac angina or myocardial infarction.

Note: A normal result in stress echocardiogram does not mean that you do not have atherosclerotic plaques in the coronary arteries.

Examination duration 20 MINUTES

Examinations NOT COVERED by the RAMQ


Take 50 mg of the β-blocker Tenormin 4 hours before the examination, as prescribed by your physician.

Fast for four (4) hours before the examination. Avoid caffeine and smoking for twelve (12) hours before the examination. Do not exercise 24 hours before the examination.