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Cardiac Calcium Score Test

Cardiac calcium score also known as coronary artery calcium score is a unique diagnostic test to detect the incidence of coronary artery disease at an early stage. It also helps determine advanced stages of heart disease. This diagnostic test is recommended to determine the presence of calcium in the coronary artery. Coronary calcium score helps in prophylactic strategies such as administration of anti platelet therapy and cholesterol control methods respectively. Plaque is formed because of the deposition of fat in the coronary arteries. This plaque eventually get calcified leading to a condition called atherosclerosis.


Cardiac calcium score determination is based on comparison of profiles belonging to the same sex, age group and risk factor and history pertaining to coronary heart disease. The comparative parameters of the cardiac calcium scores are used to analyze the effects of the disease in relation to age and other risk factors.


Preparation for the cardiac calcium score test (CAC)

Cardiac calcium score is done by administering computer tomography technique. The procedure is non-invasive and detects the presence, location and level of calcium deposits in the coronary arteries. The patient is advised to reduce caffeine intake at least a few days prior to the test. Pregnant women are not advised to undergo this procedure.

The scores obtained are graded from 0 - 400. The patients having a CAC score of 1- 100 have mild evidence of coronary artery disease. Patients having a score of more than 100 are at moderate risk of cardiac disease and the patients having a score over 400 are at a greater risk of cardiac disease.

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Collection of Pages - Last revised Date: October 16, 2017