Thursday, September 15, 2011

Coronary CT and Calcium scoring

Coronary CT and Calcium scoring

Application of Coronary Calcium in Symptomatic Individuals

The presence or absence of coronary calcium can significantly alter the posterior probability of CAD for individuals presenting with chest pain.  The calculator below shows how these probabilities are affected and computes similar data for exercise treadmill testing. Note that coronary calcium compares favorably with exercise testing for evaluation of chest pain syndromes and often has a higher negative predictive value, especially in women were exercise treadmill testing is known to be weak.

Clinical Characteristics

Age Range:

Gender: Male Female

Presentation:

Prior Probability of CAD: 

Posterior Probability of CAD if Coronary Calcium Present:

Posterior Probability of CAD if Coronary Calcium Absent:

Compare the result for Treadmill Testing with Exercise EKG:

Posterior Probability of CAD if Exercise EKG positive:

Posterior Probability of CAD if Exercise EKG negative:

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