CCTA

The strike, which began March 17, was the first in the 40-year history of the CCTA, whose buses carry about 9,700 people a day, including about 2,400 Burlington public school students.

They concluded that “the absence of CAC reduces but does not fully eliminate the occurrence of obstructive CAD” and that calcium scoring “does not appear to offer significant incremental prognostic information when combined with clinical risk factors and CAD severity on CCTA.”

The scans, called coronary computed tomography angiography or CCTA, produce a detailed image of the heart that reveals cholesterol buildups in the coronary arteries.