Experts representing multiple societies and institutions across 14 countries have published guidance for computed tomography ...

"Visual ordinal CAC assessment on both contrast-enhanced and non-contrast chest CT has high diagnostic performance, prognostic utility, and interobserver agreement," confirmed corresponding author ...

Ultimately, the commercial AI tool had NPV of 99.8% and PPV of 86.7% for detection of iPE on conventional contrast-enhanced chest CT examinations (i.e., not using CT pulmonary angiography protocols).

In contrast, he says a chest CT scan provides detailed images by taking multiple pictures of the lungs and chest and compiling them into a comprehensive view.

image: (A) mild, (B) moderate, (C) severe CAC on non-gated contrast-enhanced chest CT view more Credit: American Roentgen Ray Society (ARRS), American Journal of Roentgenology (AJR) Leesburg, VA ...

Calcium is seen to be laid down in the heart arteries on between 26 and 93 per cent of CT chest studies done for non-cardiac indications, depending on the population that is studied.

Ultimately, the commercial AI tool had NPV of 99.8% and PPV of 86.7% for detection of iPE on conventional contrast-enhanced chest CT examinations (i.e., not using CT pulmonary angiography protocols).